Archives of the Turkish Society of Cardiology
Systematic Review, Meta-analysis and Meta-regression of Epidemiological Studies for Cardiovascular Risk Factors conducted in Turkey: Obesity Data [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. Ahead of Print: TKDA-62200 | DOI: 10.5543/tkda.2018.62200

Systematic Review, Meta-analysis and Meta-regression of Epidemiological Studies for Cardiovascular Risk Factors conducted in Turkey: Obesity Data

Dilek Ural1, Mustafa Kılıçkap2, Hüseyin Göksülük2, Doruk Karaaslan1, Meral Kayıkçıoğlu3, Necla Özer4, Cem Barçın5, Mehmet Birhan Yılmaz6, Adnan Abacı7, Yunus Erdem8, Şule Şengül9, Turgay Arınsoy10, Lale Tokgözoğlu4
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OBJECTIVE
Obesity is the most important epidemic of the XXI. century and its incidence is increasing steadily in Turkey. This study aimed to assess the current status and temporal change of the prevalence of obesity in Turkey with the systematic review and meta-analysis of epidemiological studies conducted in the last 18 15 years.

METHODS
Ovid Medline and Web of Science Core Collection and web pages of Ministry of Health, Turkish Statistical Institution, Cardiology, Nephrology and Endocrinology Associations were searched for epidemiological studies conducted in Turkey during the last 18 15 years. Studies focusing on local data were excluded. Studies included in the analysis were assessed with a special bias score and categorized as low or high bias risk. The body mass index (BMI), waist circumference, obesity, and prevalence of abdominal obesity were calculated as crude values. Meta-regression was performed to assess the heterogeneity and the temporal changes.

RESULTS
Agreement between two investigators for the selection and bias scoring of the studies was excellent (Kappa ≥ = 0,95)., but hHeterogeneity between the studies was high. The body mass indexBMI (10 studies, n = 93,554) was calculated as 28.2 kg/m2 for women and 26.5 kg/m2 for men. The prevalence of obesity (123 trials, n = 10615,553) was 33.2% in females and 18.2% in males. In 6 studies (n = 66,591) in which the waist circumference was measured, the values were 89.72 cm in women and 93.57 cm in men. Especially in women, the prevalence of abdominal obesity (6 5 studies, n = 62,3316,591) was higher than the general obesity (50.8% in women versus 20.8% in men). Meta-regression analysis showed that age is an important determinant of obesity, but there were no temporal changes between the years the studies conducted.

CONCLUSION
Rate Crude prevalence of obesity, especially abdominal obesity, is markedly high in Turkish women and increases with advancing age.does not seem to change during the time the epidemiological studies conducted. This finding points out that nationwide action plans against women obesity should be designed and continued by health policy makers.

Keywords: Obesity, obesity abdominal, meta-analysis, epidemiology

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Corresponding Author: Dilek Ural, Türkiye
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