Table 3 Subgroup analyses
| Â | Excluded studies | N | Reasons | Subgroup analysis | ||
|---|---|---|---|---|---|---|
OR | I2 (%) | P value | ||||
Model 1 | Parish, Angelico, Guill, Papanas, Agrawal, Breuer, Ozol, Theorell-Haglöw, Assoumou, Lin, Barreiro, Basoglu, Barcelo | 13 | Obesity as the most important factor unadjusted | a: 2.74 | 20 | 0.29 |
b: 2.60 | 67 | 0.05 | ||||
Model 2 | Sasanabe | 1 | IDF criteria used | a: 2.87 | 20 | 0.23 |
b: 3.11 | 23 | 0.27 | ||||
Model 3 | Redline, Guill, Gasa, Lin | 4 | Special population (children, young male, morbidly obese individuals, and non-obese people) | a: 2.74 | 11 | 0.34 |
b: 2.63 | 19 | 0.19 | ||||