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Yuan Z, Wang S, Liu Z, Liu Y, Wang Y, Han Y, Gao W, Liu X, Li H, Zhang Q, Ma H, Wang J, Wei X, Zhang X, Cui W, Zhang C. A risk scoring system for advanced colorectal neoplasia in high-risk participants to improve current colorectal cancer screening in Tianjin, China. BMC Gastroenterol 2022; 22:466. [PMCID: PMC9670427 DOI: 10.1186/s12876-022-02563-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/02/2022] [Indexed: 11/18/2022] Open
Abstract
Abstract
Background
Given the limited effectiveness of the current Chinese colorectal cancer (CRC) screening procedure, adherence to colonoscopy remains low. We aim to develop and validate a scoring system based on individuals who were identified as having a high risk in initial CRC screening to achieve more efficient risk stratification and improve adherence to colonoscopy.
Methods
A total of 29,504 screening participants with positive High-Risk Factor Questionnaire (HRFQ) or faecal immunochemical test (FIT) who underwent colonoscopy in Tianjin from 2012–2020 were enrolled in this study. Binary regression analysis was used to evaluate the association between risk factors and advanced colorectal neoplasia. Internal validation was also used to assess the performance of the scoring system.
Results
Male sex, older age (age ≥ 50 years), high body mass index (BMI ≥ 28 kg/m2), current or past smoking and weekly alcohol intake were identified as risk factors for advanced colorectal neoplasm. The odds ratios (ORs) for significant variables were applied to construct the risk score ranging from 0–11: LR, low risk (score 0–3); MR, moderate risk (score 4–6); and HR, high risk (score 7–11). Compared with subjects with LR, those with MR and HR had ORs of 2.47 (95% confidence interval, 2.09–2.93) and 4.59 (95% confidence interval, 3.86–5.44), respectively. The scoring model showed an outstanding discriminatory capacity with a c-statistic of 0.64 (95% confidence interval, 0.63–0.65).
Conclusions
Our results showed that the established scoring system could identify very high-risk populations with colorectal neoplasia. Combining this risk score with current Chinese screening methods may improve the effectiveness of CRC screening and adherence to colonoscopy.
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Liang L, Liang Y, Li K, Qin P, Lin G, Li Y, Xu H, Wang S, Jing Q, Liang B, Xu L. OUP accepted manuscript. Gastroenterol Rep (Oxf) 2022; 10:goac002. [PMID: 35154783 PMCID: PMC8827054 DOI: 10.1093/gastro/goac002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/06/2021] [Accepted: 01/06/2022] [Indexed: 12/24/2022] Open
Abstract
Background The uptake of colonoscopy is low in individuals at risk of colorectal cancer (CRC). We constructed a risk-prediction score (RPS) in a large community-based sample at high risk of CRC to enable more accurate risk stratification and to motivate and increase the uptake rate of colonoscopy. Methods A total of 12,628 participants classified as high-risk according to positivity of immunochemical fecal occult blood tests or High-Risk Factor Questionnaire underwent colonoscopy. Logistic regression was used to derive a RPS and analysed the associations of the RPS with colorectal lesions, giving odds ratios (ORs) and 95% confidence intervals (CIs). Results Of the participants, men (OR = 1.73, 95% CI = 1.58–1.90), older age (≥65 years; 1.41, 1.31–1.53), higher body mass index (≥28 kg/m2; 1.22, 1.07–1.39), ever smoking (1.47, 1.31–1.65), and weekly alcohol use (1.28, 1.09–1.52) were associated with a higher risk of colorectal lesions. We assigned 1 point to each of the above five risk factors and derived a RPS ranging from 0 to 5, with a higher score indicating a higher risk. Compared with a RPS of 0, a RPS of 1, 2, 3, and 4–5 showed a higher risk of colorectal lesions, with the OR (95% CI) being 1.50 (1.37–1.63), 2.34 (2.12–2.59), 3.58 (3.13–4.10), and 3.91 (3.00–5.10), respectively. The area under the receiver-operating characteristic curve of RPS in predicting colorectal lesions was 0.62. Conclusions Participants with an increase in the RPS of ≥1 point had a significantly higher risk of colorectal lesions, suggesting the urgency for measuring colonoscopy in this very high-risk group. High-risk strategies incorporating RPS may be employed to achieve a higher colonoscopy-uptake rate.
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Affiliation(s)
- Lixin Liang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Yingru Liang
- Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Ke Li
- Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Pengzhe Qin
- Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Guozhen Lin
- Department of Primary Public Health, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Yan Li
- Department of Food-borne Disease and Food Safety Risk Surveillance, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Huan Xu
- Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Suixiang Wang
- Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Qinlong Jing
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
- Department of Immunization Programme Planning, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
| | - Boheng Liang
- Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, P. R. China
- Corresponding authors. Boheng Liang, Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, No.1 Qide Road, Baiyun District, Guangzhou, Guangdong 510440, China. Tel: +86-20-36055855; Fax: +86-20-36055885. ; Lin Xu, School of Public Health, Sun Yat-sen University, 2nd Zhongshan Road, Guangzhou, Guangdong 510080, China. Tel: +86-20-87335523; Fax: +86-20-87330446;
| | - Lin Xu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
- School of Public Health, University of Hong Kong, Hong Kong, China
- Corresponding authors. Boheng Liang, Department of Chronic Noncommunicable Disease Prevention and Control, Guangzhou Center for Disease Control and Prevention, No.1 Qide Road, Baiyun District, Guangzhou, Guangdong 510440, China. Tel: +86-20-36055855; Fax: +86-20-36055885. ; Lin Xu, School of Public Health, Sun Yat-sen University, 2nd Zhongshan Road, Guangzhou, Guangdong 510080, China. Tel: +86-20-87335523; Fax: +86-20-87330446;
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Chen W, Zhang W, Liu H, Liang Y, Zhou Q, Li Y, Gu J. How spatial accessibility to colonoscopy affects diagnostic adherences and adverse intestinal outcomes among the patients with positive preliminary screening findings. Cancer Med 2020; 9:4405-4419. [PMID: 32319229 PMCID: PMC7300424 DOI: 10.1002/cam4.3054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 02/25/2020] [Accepted: 03/24/2020] [Indexed: 12/27/2022] Open
Abstract
Background Colonoscopy is an important procedure for early colorectal cancer (CRC) detection, however, patients with positive preliminary screening results in China may not seek for colonoscopy to confirm the diagnosis. We evaluated the spatial accessibility of colonoscopy among the residents with positive preliminary screening results in Guangzhou, China, and investigated how colonoscopy accessibility was associated with the population adherence and adverse intestinal outcomes. Methods This study was based on the Guangzhou community‐based CRC screening program. Spatial accessibility was measured using three metrics including travel time from home to nearest colonoscopy hospital, physician‐to‐population ratio (PPR) and accessibility indicator estimated with enhanced two‐step floating catchment area method (E2SFCA). We used Cox regression and logistic regression to assess the association of colonoscopy accessibility with population adherence and adverse intestinal outcomes, respectively. Results A total of 34 606 people were identified with positive preliminary screening findings. Central areas were reported with higher E2SFCA scores, higher PPR and less travel time. The model adjusting for potential individual level confounders found that PPR > 50 (Hazard Ratio (HR) = 1.88, 95% Confidence Interval (CI): 1.79‐1.97) and higher scores of E2SFCA (HR = 3.78, 95% CI: 2.07‐6.92) were associated with increased adherence, although estimates were not significant in the model adjusting for both individual and district‐level confounders. For adverse intestinal outcomes, the final multilevel logistic model suggested a lower risk of intestinal lesions among the residents in areas with PPR > 50 (Odds Ratio (OR) = 0.49, 95% CI: 0.24‐0.99) and higher scores of E2SFCA (OR = 0.20, 95% CI: 0.05‐0.82). Conclusion Significant inequality of colonoscopy accessibility was observed across Guangzhou. The increased incidence of intestinal lesions was associated with spatial inequalities of medical resources. Policies against the spatial inequality in medical resources should be developed.
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Affiliation(s)
- Weiyi Chen
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - WangJian Zhang
- Department of Environmental Health Sciences, University at Albany, State University of New York, Rensselaer, NY, USA
| | - Huazhang Liu
- Department of Noncommunicable Chronic Disease Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China
| | - Yingru Liang
- Department of Noncommunicable Chronic Disease Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China
| | - Qin Zhou
- Department of Noncommunicable Chronic Disease Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China
| | - Yan Li
- Department of Noncommunicable Chronic Disease Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, People's Republic of China
| | - Jing Gu
- Department of Medical Statistics, School of Public Health, Sun Yat-sen University, Guangzhou, People's Republic of China.,Sun Yat-sen Global Health Institute, Institute of State Governance, Sun Yat-sen University, Guangzhou, People's Republic of China
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