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Gao Z, Huang C, Fang S, Guan J, Dong W. Association between preoperative white blood cell counts and thirty-day surgical mortality after craniotomy in adult intracranial tumor patients. Front Neurol 2024; 15:1394568. [PMID: 39036628 PMCID: PMC11259970 DOI: 10.3389/fneur.2024.1394568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 06/24/2024] [Indexed: 07/23/2024] Open
Abstract
Objective White blood cell (WBC) counts has been identified as a prognostic biomarker which frequently predict adverse outcomes and mortality risk in various conditions. However, evidence for the association between WBC counts and short-term outcomes after intracranial tumor resection remains limited. This study aimed to explore associations between preoperative WBC counts and thirty-day surgical mortality after craniotomy in adult intracranial tumor patients. Methods This retrospective cohort study performed secondary analysis of 18,049 intracranial tumor craniotomy patients from the ACS NSQIP database (2012-2015). The major exposure and outcome were preoperative WBC counts and thirty-day surgical mortality, respectively. Cox regression modeling assessed the linear association between them. Non-linear associations between them were evaluated by conducting smooth curve fitting using an additive Cox proportional hazard model in conjunction with segmented linear regression modeling. Subgroup analysis and interaction testing assessed effect modification. Sensitivity analysis evaluated result robustness. Results The total thirty-day surgical mortality after craniotomy was 2.49% (450/18,049). The mean of preoperative WBC counts was 9.501 ± 4.402 × 10^9/L. Fully adjusted model shows that elevated preoperative WBC counts was independently associated with increased thirty-day surgical mortality (HR = 1.057, 95%CI: 1.040, 1.076). Further analysis revealed a non-linear association between them: below a WBC threshold of 13.6 × 10^9/L, higher WBC counts elevated thirty-day mortality (HR = 1.117; 95%CI: 1.077, 1.158), while risk plateaued and no significant mortality rise occurred above this level (HR = 1.015, 95%CI: 0.982, 1.050). Steroid usage status has a significant effect modification on the WBC-mortality association (P for interaction = 0.002). The non-linear WBC-mortality association was only present for non-steroid users (HR = 1.158, 95%CI: 1.108, 1.210) but not steroid users (HR = 1.009, 95%CI: 0.966, 1.055). The sensitivity analysis confirmed the result robustness. Conclusion Elevated preoperative WBC counts were independently and non-linearly associated with an increased risk of thirty-day surgical mortality in adult non-steroid use patients undergoing craniotomy for intracranial tumors. As a convenient predictor, preoperative WBC data allows improved risk profiling and personalized management in adult intracranial tumor patients.
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Affiliation(s)
- Zhichao Gao
- Department of Neurosurgery, The First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang, China
| | - Cheng Huang
- Department of Coloproctology, The First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang, China
| | - Shengjie Fang
- Department of Neurosurgery, The First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang, China
| | - Jiaqing Guan
- Department of Neurosurgery, The First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang, China
| | - Weifeng Dong
- Department of Neurosurgery, The First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang, China
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Huang G, Zhang J, Gong L, Wang X, Zhang B, Liu D. Characterization of the fatty acid metabolism-related genes in lung adenocarcinoma to guide clinical therapy. BMC Pulm Med 2022; 22:486. [PMID: 36564744 PMCID: PMC9784226 DOI: 10.1186/s12890-022-02286-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 12/14/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Lung adenocarcinoma (LUAD) is a common cancer with a bad prognosis. Numerous investigations have indicated that the metabolism of fatty acids plays an important role in the occurrence, progression, and treatment of cancer. Consequently, the objective of the current investigation was to elucidate the role and prognostic significance of genes associated with fatty acid metabolism in patients diagnosed with LUAD. MATERIALS AND METHODS The data files were acquired from The Cancer Genome Atlas database and GSE31210 dataset. Univariate Cox and least absolute shrinkage and selection operator regression analyses were conducted to establish a prognostic risk scoring model depending on fatty acid metabolism-associated genes to predict the prognosis of patients with LUAD. pRRophetic algorithm was utilized to evaluate the potential therapeutic agents. Gene set variation analysis combined with cell-type identification based on the estimation of relative subsets of RNA transcript and single-sample gene set enrichment analysis was used to determine the association between immune cell infiltration and risk score. Tumor immune dysfunction and exclusion algorithm was employed to predict immunotherapeutic sensitivity. RESULTS To forecast the prognosis of patients with LUAD, a risk scoring model based on five genes associated with fatty acid metabolism was developed, including LDHA, ALDOA, CYP4B1, DPEP2, and HPGDS. Using the risk score algorithm, patients were divided into higher- and lower-risk categories. Patients classified as minimal risk showed superior prognosis than those with elevated risk. In addition, individuals in the higher-risk group had a proclivity toward chemoresistance and amenable to immunotherapy. CONCLUSION The prognostic risk scoring model aids in estimating the prognosis of LUAD patients. It may also provide new insights into LUAD carcinogenesis and therapeutic strategies.
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Affiliation(s)
- Guichuan Huang
- grid.470124.4State Key Laboratory of Respiratory Disease and National Clinical Research Center for Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000 China
| | - Jing Zhang
- grid.413390.c0000 0004 1757 6938Department of Pulmonary and Critical Care Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000 China
| | - Ling Gong
- grid.452884.7Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Zunyi (The Third Affiliated Hospital of Zunyi Medical University), No 98 Fenghuang Road, Huichuan District, Zunyi, 563000 China
| | - Xiaowen Wang
- grid.452884.7Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Zunyi (The Third Affiliated Hospital of Zunyi Medical University), No 98 Fenghuang Road, Huichuan District, Zunyi, 563000 China
| | - Bangyan Zhang
- grid.459540.90000 0004 1791 4503Department of Respiratory and Critical Care Medicine, Guizhou Provincial People’s Hospital, Guiyang, 550000 China
| | - Daishun Liu
- grid.452884.7Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Zunyi (The Third Affiliated Hospital of Zunyi Medical University), No 98 Fenghuang Road, Huichuan District, Zunyi, 563000 China
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Greer HR, Miller K, Samay S, Nellan A, Green AL. Investigation of white blood cell characteristics in cerebrospinal fluid samples at pediatric brain tumor diagnosis. J Neurooncol 2022; 159:301-308. [PMID: 35731362 PMCID: PMC10642713 DOI: 10.1007/s11060-022-04065-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 06/09/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE The role of white blood cells (WBC) in the pediatric central nervous system (CNS) tumor microenvironment is incompletely defined. We hypothesized that the WBC profile in cerebrospinal fluid (CSF) correlates with the presence of tumor cells and prognosis in pediatric CNS tumors, as well as other patient and disease characteristics, and differs by tumor type, thus giving insight into the tumor immune response. METHODS We conducted a retrospective analysis of CSF WBC profiles at CNS tumor diagnosis in 269 patients at our institution. We examined total nucleated cell count, absolute counts, and percentages by WBC subtype. We compared CSF WBC values by tumor cell presence, patient vital status, tumor location, and the most common tumor types. RESULTS Patients who died of their tumor had a lower CSF lymphocyte percentage and a higher absolute monocyte count in CSF at diagnosis. The presence of tumor cells in CSF was associated with fewer lymphocytes and monocytes. Ventricular tumors had higher CSF lymphocyte, monocyte, macrophage, and total nucleated cell counts than extraventricular tumors. Germ cell tumors, low-grade glioma, high-grade glioma, and ependymoma had lower macrophage counts or percentages compared to other tumor types. CONCLUSIONS WBC profile in CSF at pediatric CNS tumor diagnosis correlates with patient prognosis and presence of metastatic cells, along with tumor type and other tumor characteristics like relationship to the ventricles. Prospective CSF profiling and study may be useful to future immunotherapy and other pediatric CNS tumor clinical trials.
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Affiliation(s)
- Hunter R Greer
- University of Colorado School of Medicine, 13001 East 17th Place, Aurora, CO, 80045, USA
| | - Kristen Miller
- University of Colorado School of Medicine, 13001 East 17th Place, Aurora, CO, 80045, USA
| | - Sadaf Samay
- Children's Hospital Colorado, 13123 East 16th Avenue, Aurora, CO, 80045, USA
| | - Anandani Nellan
- Pediatric Oncology Branch, National Cancer Institute, 9609 Medical Center Drive, Bethesda, MD, 20892, USA
| | - Adam L Green
- Children's Hospital Colorado, University of Colorado School of Medicine, 13001 East 17th Place, Aurora, CO, 80045, USA.
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Wang Y, Zhou N, Zhu R, Li X, Sun Z, Gao Y, Liu W, Meng C, Ge Y, Bai C, Li T, Liu H. Circulating activated immune cells as a potential blood biomarkers of non-small cell lung cancer occurrence and progression. BMC Pulm Med 2021; 21:282. [PMID: 34488711 PMCID: PMC8420051 DOI: 10.1186/s12890-021-01636-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/10/2021] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Treatment for non-small cell lung cancer (NSCLC) has greatly improved in recent years. However, noninvasive early screening for carcinogenesis and progression unclear. The aim of this study was to explore the predictive value of peripheral blood immune cells in untreated NSCLC patients. METHODS We retrospectively enrolled 305 untreated NSCLC patients and 132 healthy participants from February 2016 to August 2019 in Peking Union Medical College Hospital. Immune cell levels were determined by flow cytometry and routine blood tests. RESULTS NSCLC patients had lower levels of T lymphocytes, NK cells, CD8+ T cells, naïve CD4+/CD4+, naïve CD4+ T cells and higher levels of CD4+ T cells, memory CD4+/CD4+ T cells, memory CD4+ T cells, CD4+CD28+/CD4+ T cells, CD4+CD28+ T cells, CD8+CD28+/CD8+ T cells, CD8+HLA-DR+/CD8+ T cells, CD8+HLA-DR+ T cells T cells, CD8+CD38+/CD8+ T cells, CD8+CD38+ T cells and CD4+/CD8+ T cells than those in controls. The percentages of specific lymphocyte subtypes were significantly different in cancer patients versus healthy individuals. For instance, cancer patients had lower levels of B cells, CD4+ T cells, naïve CD4+/CD4+ T cells, naïve CD4+ T cells, CD4+CD28+ T cells, CD8+CD28+ T cells and higher levels of NK cells, white blood cells (WBC), monocytes, neutrophils, eosinophils, basophils, monocytes to lymphocyte ratio (MLR), neutrophils to lymphocyte ratio (NLR), eosinophil to lymphocyte ratio (ELR), basophil to lymphocyte ratio (BLR), and blood platelet to lymphocyte ratio (PLR). CONCLUSIONS Abnormal T cell levels can be used as an independent predictive biomarker for noninvasive early screening in NSCLC occurrence and progression.
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Affiliation(s)
- Yingyi Wang
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Na Zhou
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rui Zhu
- Department of Medical Record, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaoyuan Li
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhao Sun
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yang Gao
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wei Liu
- Department of Intervention Group of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Changting Meng
- Institute for Systems Biology, Seattle University, Seattle, WA, 98109, USA
| | - Yuping Ge
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chunmei Bai
- Department of Medical Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Taisheng Li
- Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China.
| | - Hongsheng Liu
- Department of Thoracic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China.
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Sánchez-Gastaldo A, Muñoz-Fuentes MA, Molina-Pinelo S, Alonso-García M, Boyero L, Bernabé-Caro R. Correlation of peripheral blood biomarkers with clinical outcomes in NSCLC patients with high PD-L1 expression treated with pembrolizumab. Transl Lung Cancer Res 2021; 10:2509-2522. [PMID: 34295658 PMCID: PMC8264316 DOI: 10.21037/tlcr-21-156] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/19/2021] [Indexed: 12/24/2022]
Abstract
Background Immune checkpoint inhibitors (ICIs) are currently the standard therapy in advanced non-small cell lung cancer (NSCLC); however, there is no well-established prognostic biomarker. We investigated the relationship between survival outcomes and three peripheral blood biomarkers, including the neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR) and monocyte-to-lymphocyte ratio (MLR), as well as a new score termed the risk blood biomarker (RBB), calculated from the combination of the neutrophil-monocyte-to-lymphocyte ratio (NMLR) and white blood cell count (WBC). Methods This study included patients with stage IV or recurrent NSCLC confirmed with programmed death ligand 1 (PD-L1) expression ≥50% who received pembrolizumab monotherapy as first-line treatment at the Virgen del Rocío University Hospital in Seville, Spain. To establish the relationship between baseline peripheral blood biomarkers and survival outcomes, progression free survival (PFS) and overall survival (OS), we used the Kaplan-Meier method and multivariable Cox regression models. Results A total of 51 patients were included in this study. In multivariate analysis, baseline NLR and PLR showed a strong association with PFS [NLR hazard ratio (HR): 0.19, 95% confidence interval (CI): 0.09–0.44, P<0.001; PLR HR: 0.46, 95% CI: 0.23–0.92, P=0.03] and OS (NLR HR: 0.07, 95% CI: 0.02–0.19, P<0.001; PLR HR: 0.29, 95% CI: 0.13–0.67, P=0.004), and the MLR was associated with OS (MLR HR: 0.34, 95% CI: 0.15–0.76, P=0.01). According to the RBB score, groups with lower scores were associated with superior PFS (group 0: HR: 0.16, 95% CI: 0.06–0.41, P<0.001 and group 1: HR: 0.29, 95% CI: 0.12–0.73, P=0.01) and OS (group 0: HR: 0.04, 95% CI: 0.01–0.17, P<0.001 and group 1: HR: 0.15, 95% CI: 0.05–0.42, P<0.001). Conclusions Low baseline NLR, MLR and PLR are significantly associated with better PFS, and low baseline NLR and PLR are associated with better OS. Additionally, we identified three subgroups of patients using the RBB score, and low scores were associated with improved survival outcomes and response to therapy.
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Affiliation(s)
- Amparo Sánchez-Gastaldo
- Medical Oncology Department, Virgen del Rocío University Hospital, Seville, Spain.,Institute of Biomedicine of Seville (IBiS) (HUVR, CSIC, University of Seville), Seville, Spain
| | - Miguel A Muñoz-Fuentes
- Medical Oncology Department, Virgen del Rocío University Hospital, Seville, Spain.,Institute of Biomedicine of Seville (IBiS) (HUVR, CSIC, University of Seville), Seville, Spain
| | - Sonia Molina-Pinelo
- Medical Oncology Department, Virgen del Rocío University Hospital, Seville, Spain.,Institute of Biomedicine of Seville (IBiS) (HUVR, CSIC, University of Seville), Seville, Spain.,CIBERONC, Madrid, Spain
| | - Miriam Alonso-García
- Medical Oncology Department, Virgen del Rocío University Hospital, Seville, Spain.,Institute of Biomedicine of Seville (IBiS) (HUVR, CSIC, University of Seville), Seville, Spain
| | - Laura Boyero
- Institute of Biomedicine of Seville (IBiS) (HUVR, CSIC, University of Seville), Seville, Spain
| | - Reyes Bernabé-Caro
- Medical Oncology Department, Virgen del Rocío University Hospital, Seville, Spain.,Institute of Biomedicine of Seville (IBiS) (HUVR, CSIC, University of Seville), Seville, Spain
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Kaviarasi R, Gandhi Raj R. Prediction System for the Lung Cancer Patients and Classification Accuracy Enhancement Using Ensemble Method. JOURNAL OF MEDICAL IMAGING AND HEALTH INFORMATICS 2021. [DOI: 10.1166/jmihi.2021.3530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Lung cancer is the biggest challenge in the research world. Blood samples for lung cancer patients are significant for the prediction method in the research environment. Accurate prediction is essential to increase the survival period and may help to take proper medication. The feature
selection is an essential part of this prediction system. In this method, the essential features are analyzed from lung cancer patient’s blood. Biomarkers can be identified from blood and other tests. Biomarkers are used in many scientific fields. The Serum CKAP4 levels were analyzed
from lung cancer patient’s blood at the TNM stages. White blood counts and Hemoglobin are viewed as an analysis of immunity, and CKAP4 is located at an immunity level that has been recognized in the body fluid of patients with lung cancer. The system is analyzed immunity from collected
real health information by a proposed Gaussian Kb Ensemble Weighting Classifier method. The novel attributes are composed of a cancer research center and cancer sanatoriums. The measurement of weighting value {low = 0, high = 1} of blood in Serum CKAP4, Hemoglobin, and the
WBC are classified by immunity range. High immunity people’s survival rate is high at TNM stage 1. If not, high immunity was survival rate is low at TNM stage 1. Lung cancer patient’s survivability classification was performed by various supervised machine learning models such
as Ada boost, neural networks, and SVM model. The Gaussian Kb Ensemble Weighting Classifier method helped to improve the classification accuracy by feature selection and the algorithm was implemented in the MATLAB environment. Kaplan–Meier curve method used to analyzes
results. The classified labels are compared with existing results. The area proved the Gaussian Kb Ensemble weighting classifier algorithm under the Curve through the ROC method.
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Affiliation(s)
- R. Kaviarasi
- Department of Computer Applications, University College of Engineering (BIT Campus), Anna University, Tiruchirappalli 620024, TamilNadu, India
| | - R. Gandhi Raj
- Department of Electricals and Electronics Engineering, University College of Engineering (BIT Campus), Anna University, Tiruchirappalli 620024, TamilNadu, India
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Yang Y, Xu H, Yang G, Yang L, Li J, Wang Y. The value of blood biomarkers of progression and prognosis in ALK-positive patients with non-small cell lung cancer treated with crizotinib. Asia Pac J Clin Oncol 2019; 16:63-69. [PMID: 31721468 DOI: 10.1111/ajco.13284] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 10/10/2019] [Indexed: 12/22/2022]
Abstract
AIM Valuable and convenient prognostic predictors are essential for targeted therapy of non-small cell lung cancer (NSCLC). Patients with early-stage cancer and EGFR mutations who's neutrophils-to-lymphocytes rate (NLR) could be prognostic factor to evaluate efficacy. However, the prognostic role of NLR in patients receiving ALK inhibitors has not been established. Additionally, the relation between the efficacy of ALK inhibitors and derived NLR (dNLR), platelets-to-lymphocytes rate (PLR), white blood cells (WBC) and hemoglobin (HGB) are still unknown. METHODS This is a retrospective single-center study and enrolled 113 staged IIIB-IV ALK-positive NSCLC patients who had received crizotinib treatment. Pretreatment NLR, dNLR, PLR, WBC, HGB were collected and calculated. Cox regression analysis were conducted to study the prognostic roles of NLR, dNLR, PLR, WBC, and HGB on progression-free survival (PFS) and overall survival (OS). Z-test was utilized to identify the difference among all predictive factors' receiver-operating characteristics (ROC) curves. RESULTS The median PFS and OS were 10.1 and 23.4 months. Elevated NLR, dNLR, PLR and decreased HGB were associated with worse PFS (95% confidence interval [CI], 1.078-2.304, P = 0.018; 95% CI, 1.043-2.222, P = 0.028; 95% CI, 1.257-2.757, P = 0.002; 95% CI, 0.368-0.843, P = 0.005, respectively) and OS (95% CI, 1.698-5.721, P < 0.001; 95% CI, 1.273-3.984, P = 0.005; 95% CI, 2.174-6.347, P < 0.001; 95% CI, 0.246-0.710, P = 0.001, respectively). Z-test revealed there were no significant differences between single factors or combination of them to predict the efficacy. CONCLUSIONS Trend of NLR, dNLR, PLR and WBC could be used to identify patients progress status in ALK-positive NSCLC patients receiving crizotinib. Combination of all biomarkers is no superior to single biomarker.
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Affiliation(s)
- Yaning Yang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haiyan Xu
- Department of Comprehensive, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guangjian Yang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lu Yang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junling Li
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yan Wang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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