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Alirezaei T, Soori H, Irilouzadian R, Najafimehr H. Novel Anthropometric Indices as Screening Tools for Obesity: A Study on Healthy Iranians. J Nutr Metab 2023; 2023:6612411. [PMID: 37822568 PMCID: PMC10564568 DOI: 10.1155/2023/6612411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/09/2023] [Accepted: 09/20/2023] [Indexed: 10/13/2023] Open
Abstract
Background and Aims Upper body fat distribution is more related to cardiometabolic diseases than central obesity. Neck circumference (NC) and neck-to-height ratio (NHtR) are two indicators of upper body obesity that are affordable, easy to obtain, highly reproducible, and more practical in the crowded health centers than the classic anthropometric indices. Methods 18-65-year-old individuals with no past medical history were included. After obtaining written informed consent, they were screened for hypertension, high blood glucose, and other abnormal laboratory results. Data were analyzed using SPSS and Mann-Whitney U test, Chi square test, Spearman's correlation coefficient, and ROC curve. Results In our 2,812 participants, NC had the lowest area under the curve (AUC) in both male and female obese and overweight subjects. NHtR and hip circumference (HC) had the highest AUC in men and women with obesity, respectively. The highest sensitivity for overweight men and women belonged to waist circumference (WC) and waist-to-height ratio (WHtR), respectively, and for both males and females with obesity, NHtR had the highest sensitivity. The cutoff point of NHtR had the same value for males and females. HC and NHtR had the highest positive likelihood ratio (PLR) for obesity in men. In addition, HC and WC had the highest PLR for obesity in women. Conclusion In this study, we revealed that NC had the lowest and NHtR and HC had the highest predictive value for obesity. Furthermore, for both males and females with obesity, NHtR had the highest sensitivity. HC had the highest PLR for obesity in both genders. Our results warrant prospective studies to evaluate the role of NHtR and other novel anthropometric indices in the risk of cardiometabolic diseases.
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Affiliation(s)
- Toktam Alirezaei
- Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Soori
- Safety Promotion and Injury Prevention of Research Center, Cohort Health Employees Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Rana Irilouzadian
- Burn Research Center, Iran University of Medical Sciences, Tehran, Iran
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hadis Najafimehr
- Safety Promotion and Injury Prevention of Research Center, Cohort Health Employees Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Salinas-Mandujano RG, Reynoso-Camacho R, Salgado LM, Ramos-Gomez M, Pérez-Ramírez IF, Aguilar-Galarza A, Moreno-Celis U, Anaya-Loyola MA. A New Approach Using BMI and FMI as Predictors of Cardio-Vascular Risk Factors among Mexican Young Adults. Eur J Investig Health Psychol Educ 2023; 13:2063-2081. [PMID: 37887147 PMCID: PMC10606082 DOI: 10.3390/ejihpe13100146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/17/2023] [Accepted: 09/20/2023] [Indexed: 10/28/2023] Open
Abstract
The study aimed to identify accurate cut-off points for waist circumference (WC), body fat percentage (BF%), body mass index (BMI), fat mass index (FMI), and fat-free mass index (FFMI), and to determine their effective accuracy to predict cardiovascular risk factors (CVRFs) among Mexican young adults. A cross-sectional study was conducted among 1730 Mexican young adults. Adiposity measures and CVRFs were assessed under fasting conditions. The optimal cut-off points were assessed using the receiver operating characteristic curve (ROC). Age-adjusted odds ratios (OR) were used to assess the associations between anthropometric measurements and CVRFs. The cut-off values found, in females and males, respectively, for high WC (≥72.3 and ≥84.9), high BF% (≥30 and ≥22.6), high BMI (≥23.7 and ≥24.4), high FMI (≥7.1 and ≥5.5), and low FFMI (≤16 and ≤18.9) differ from those set by current guidelines. High BMI in women, and high FMI in men, assessed by the 50th percentile, had the best discriminatory power in detecting CVRFs, especially high triglycerides (OR: 3.07, CI: 2.21-4.27 and OR: 3.05, CI: 2.28-4.08, respectively). Therefore, these results suggest that BMI and FMI measures should be used to improve the screening of CVRFs in Mexican young adults.
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Affiliation(s)
- Rocío Guadalupe Salinas-Mandujano
- Department of Food Science, School of Chemistry, Autonomous University of Queretaro, C. U., Cerro de las Campanas, S/N, Queretaro 76010, Mexico; (R.G.S.-M.)
| | - Rosalía Reynoso-Camacho
- Department of Food Science, School of Chemistry, Autonomous University of Queretaro, C. U., Cerro de las Campanas, S/N, Queretaro 76010, Mexico; (R.G.S.-M.)
| | - Luis Miguel Salgado
- Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Instituto Politécnico Nacional, Queretaro 76090, Mexico
| | - Minerva Ramos-Gomez
- Department of Food Science, School of Chemistry, Autonomous University of Queretaro, C. U., Cerro de las Campanas, S/N, Queretaro 76010, Mexico; (R.G.S.-M.)
| | - Iza F. Pérez-Ramírez
- Department of Food Science, School of Chemistry, Autonomous University of Queretaro, C. U., Cerro de las Campanas, S/N, Queretaro 76010, Mexico; (R.G.S.-M.)
| | - Adriana Aguilar-Galarza
- Department of Studies in Human Nutrition, School of Natural Science, Autonomous University of Queretaro, Av. de las Ciencias, S/N., Juriquilla, Delegación Santa Rosa Jauregui, Queretaro 76230, Mexico
| | - Ulisses Moreno-Celis
- Department of Studies in Human Nutrition, School of Natural Science, Autonomous University of Queretaro, Av. de las Ciencias, S/N., Juriquilla, Delegación Santa Rosa Jauregui, Queretaro 76230, Mexico
| | - Miriam Aracely Anaya-Loyola
- Department of Studies in Human Nutrition, School of Natural Science, Autonomous University of Queretaro, Av. de las Ciencias, S/N., Juriquilla, Delegación Santa Rosa Jauregui, Queretaro 76230, Mexico
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Martins CA, Ferreira JRS, Cattafesta M, Neto ETDS, Rocha JLM, Salaroli LB. Cut points of the conicity index as an indicator of abdominal obesity in individuals undergoing hemodialysis: An analysis of latent classes. Nutrition 2023; 106:111890. [PMID: 36459843 DOI: 10.1016/j.nut.2022.111890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/25/2022] [Accepted: 10/11/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Abdominal obesity favors the involvement of cardiometabolic complications in renal patients on hemodialysis. Thus, the aim of the study was to identify the cut-points of the conicity index in individuals undergoing hemodialysis. METHODS This was a cross-sectional study carried out with 953 individuals undergoing hemodialysis in clinics in a metropolitan region of southeastern Brazil. The conicity index was calculated using the following mathematical equation: waist circumference/0.109 × √weight/height. The receiver operating characteristic (ROC) curve was calculated from the analysis of latent classes by cross-validation through a latent variable of abdominal obesity. This latent variable was defined using the response pattern of the observed anthropometric variables considering the presence and absence of abdominal obesity: waist circumference, waist-to-height ratio, and body shape index. The cut-points identified were elucidated by the area under the curve (AUC), Youden index, sensitivity, and specificity. RESULTS The cut-points for the conicity index found for both sexes were similar, resulting in a cut-point for men of 1.275 (AUC, 0.921; Youden index, 0.666), with a sensitivity and specificity of 83% and 83.6%, and a cut-point for women of 1.285 (AUC, 0.921; Youden index, 0.679), with a sensitivity and specificity of 78.6% and 89.3%, respectively. CONCLUSIONS The conicity index showed high discriminatory power for the identification of abdominal obesity in hemodialysis patients, therefore it can be a simple and easily accessible tool to be incorporated into clinical practice in this population.
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Affiliation(s)
- Cleodice Alves Martins
- Graduate Program in Nutrition and Health, Health Sciences Center, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Júlia Rabelo Santos Ferreira
- Graduate Program in Collective Health, Health Sciences Center, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Monica Cattafesta
- Graduate Program in Collective Health, Health Sciences Center, Universidade Federal do Espírito Santo, Vitória, Brazil
| | | | - Jose Luiz Marques Rocha
- Graduate Program in Nutrition and Health, Health Sciences Center, Universidade Federal do Espírito Santo, Vitória, Brazil
| | - Luciane Bresciani Salaroli
- Graduate Program in Nutrition and Health, Health Sciences Center, Universidade Federal do Espírito Santo, Vitória, Brazil; Graduate Program in Collective Health, Health Sciences Center, Universidade Federal do Espírito Santo, Vitória, Brazil.
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Wu Q, Zhang F, Li R, Li W, Gou D, Wang L. Identification of the Best Anthropometric Index for Predicting the 10-Year Cardiovascular Disease in Southwest China: A Large Single-Center, Cross-Sectional Study. High Blood Press Cardiovasc Prev 2022; 29:417-428. [PMID: 35776364 DOI: 10.1007/s40292-022-00528-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 06/02/2022] [Indexed: 02/08/2023] Open
Abstract
INTRODUCTION This population-based cross-sectional study aimed to identify the best predictor of the 10-year cardiovascular (CV) high risk among old and new anthropometric indices. METHODS We investigated 76,915 adults older than 18 years of age living in southwest China. Ten obesity indices were calculated. The 10-year cardiovascular disease (CVD) risk was estimated using the Framingham risk score. Receiver operating characteristic curve analysis was performed to assess the ability of the anthropometric index to predict the 10-year high risk of CVD events. RESULTS The waist-to-hip ratio (WHR) had the highest area under the curve (AUC) value (0.711; sensitivity: 62.22%, specificity: 42.73%) in men, while the body fat index (BAI) had the lowest AUC value (0.624, sensitivity: 49.07%, specificity: 54.84%). The waist-to-height ratio (WHtR) and the body roundness index (BRI) showed the highest AUC value (0.751, sensitivity: 39.24%, 39.83%, specificity: 75.68%, 68.59%) in women, while the BAI showed the lowest AUC value (0.671, sensitivity: 53.15%, specificity: 57.14%). CONCLUSIONS The WHR was the best anthropometric measure for assessing the 10-year high risk of CVD in men, while the WHtR and BRI were the best measures for women. In men, the WHR should be < 0.88, and in women, the WHtR should be < 0.502 or the BRI should be < 3.41.
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Affiliation(s)
- Qinqin Wu
- Health Management Center, West China Hospital, Sichuan University, Chengdu, China
| | - Fan Zhang
- Health Management Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ruicen Li
- Health Management Center, West China Hospital, Sichuan University, Chengdu, China
| | - Wenyu Li
- Health Management Center, West China Hospital, Sichuan University, Chengdu, China
| | - Dan Gou
- Health Management Center, West China Hospital, Sichuan University, Chengdu, China
| | - Lin Wang
- Department of Cardiology, West China Hospital, Sichuan University, No.37 Guoxue Road, Chengdu, 610041, Sichuan, China.
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Rezaei F, Seif M, Gandomkar A, Fattahi MR, Malekzadeh F, Sepanlou SG, Hasanzadeh J. Comparison of laboratory-based and non-laboratory-based WHO cardiovascular disease risk charts: a population-based study. J Transl Med 2022; 20:133. [PMID: 35296342 PMCID: PMC8925162 DOI: 10.1186/s12967-022-03336-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/06/2022] [Indexed: 11/20/2022] Open
Abstract
Background Determining the risk of Cardiovascular Disease (CVD) is a necessity for timely preventive interventions in high-risk groups. However, laboratory testing may be impractical in countries with limited resources. This study aimed at comparison and assessment of the agreement between laboratory-based and non-laboratory-based WHO risk charts models. Methods This study was performed using the baseline data of 8138 participants in the pars cohort study who had no history of CVD and stroke. The updated 2019 WHO model was used to determine the 10-year fatal and non-fatal CVD risks. In general, there are two types of new WHO risk prediction models for CVD. The scores were determined based on age, sex, smoking status, diabetes, Systolic Blood Pressure (SBP), and total cholesterol for the laboratory-based model and age, sex, smoking status, SBP, and Body Mass Index (BMI) for the non-laboratory-based model. The agreement of these two models was determined via kappa statistics for the classified risk (low: < 10%, moderate: 10–< 20%, high: ≥ 20%). Correlation coefficients (r) and scatter plots was used for correlation between scores. Results The results revealed very strong correlation coefficients for all sex and age groups (r = 0.84 for males < 60 years old, 0.93 for males ≥ 60 years old, 0.85 for females < 60 years old, and 0.88 for females ≥ 60 years old). In the laboratory-based model, low, moderate, and high risks were 76.10%, 18.17%, and 5.73%, respectively. These measures were respectively obtained as 77.00%, 18.08%, and 4.92% in the non-laboratory-based model. Based on risk classification, the agreement was substantial for males < 60 years old and for both males and females aged ≥ 60 years (kappa values: 0.79 for males < 60 years old, 0.65 for males ≥ 60 years old, and 0.66 for females ≥ 60 years old) and moderate for females < 60 years old (kappa = 0.46). Conclusions The non-laboratory-based risk prediction model, which is simple, inexpensive, and non-invasive, classifies individuals almost identically to the laboratory-based model. Therefore, in countries with limited resources, these two models can be used interchangeably.
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Affiliation(s)
- Fatemeh Rezaei
- Department of Social Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Mozhgan Seif
- Department of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abdullah Gandomkar
- Non-Communicable Disease Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Reza Fattahi
- Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatemeh Malekzadeh
- Digestive Disease Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Sadaf G Sepanlou
- Digestive Disease Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Jafar Hasanzadeh
- Research Centre for Health Sciences, Institute of Health, School of Health, Department of Epidemiology, Shiraz University of Medical Sciences, Shiraz, Iran.
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Abdominal obesity and myocardial infarction risk - We demonstrate the anthropometric and mathematical reasons that justify the association bias of the waist-to-hip ratio. NUTR HOSP 2021; 38:502-510. [PMID: 33757289 DOI: 10.20960/nh.03416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Introduction Antecedentes: el índice cintura-cadera (ICC) se utiliza ampliamente para evaluar la asociación de la obesidad abdominal con el infarto de miocardio (IM). Objetivo: nuestro propósito era determinar si el riesgo asociado a la ICC produce sesgo. Métodos: estudio de casos y controles en 252 varones. Usamos la estratificación como criterio para eliminar los efectos del sesgo. Creamos una covariable basal (ICC0,95-0,99) para una nueva muestra emparejada en el estrato de valores entre 0,95 y 0,99. Este estrato coincide con el área común de solapamiento de la distribución de puntos, donde todos los sujetos tienen un índice de propensión similar. Consideramos otra covariable (ICCS) condicionada en ICC < 1 y una circunferencia de cintura (CC) donde la asignación de riesgo fuera espúrea. Hipotetizamos que restando CC del valor de la cadera se calculaba otra variable aritmética (DCC) que podría ser esencial para evidenciar el efecto de confusion que genera el ICC. Resultados: IMC: ABC: 0,694, IC 95 % (0,628-0,760); OR: 3,8. CC: ABC: 0,743, IC 95 % (0,681-0,805); OR: 5,7. ICC: ABC: 0,798, IC 95 % (0,740-0,855); OR: 8,6. Índice cintura-talla (ICT): ABC: 0,782, IC 95 % (0,724-0,840); OR: 8,5. DCC: ABC: 0,204, IC 95 % (0,146-0,261); OR: 0,36. Prevalencia en los casos: ICC ≥ 0,95 (84,1 % vs. 38 %; OR: 8,6); ICC < 1 (36,3 % vs. 85,7 %; OR: 2,3); ICC ≥ 1 (63,4 % vs. 14,2 %; OR: 4,4); CC ≥ 94,4 (71,4 % vs. 30,1 %; OR: 5,7); DCC ≥ 2,2 (27,7 % vs. 75,3 %; OR: 7,9); ICCs (50 % vs. 25 %; OR: 2). Conclusiones: el ICC produce un sesgo de asociación en los casos de IM. Ello puede extrapolarse a otras poblaciones de estudio. El sesgo se explica por un error de concepto matemático que sobreestima el efecto protector de la cadera con respecto a la CC y la altura. El riesgo asociado al ICC por encima del de la CC o el ICT presenta inconsistencia antropométrica y sesgo, llegando a ser epidemiológicamente falso.
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