Table 3.
Subgroup analysis assessing different variables for the risk of nonalcoholic fatty liver disease caused by gallstone disease in included cross-sectional studies.
| Heterogeneity | ||||||
|---|---|---|---|---|---|---|
| Variable | Number | OR [95% Conf. Interval] | I-squared (%) | P | ||
| Ethnicity | ||||||
| East Asian | 2 | 1.29 (1.11-1.48) | 0.00% | 0.843 | ||
| Northern Europe | 1 | 1.92 (1.06-2.78) | NA | NA | ||
| P=0.0370 | ||||||
| sample size | ||||||
| <8000 | 2 | 1.46 (0.92-2.02) | 49.8% | 0.158 | ||
| >8000 | 1 | 1.32 (1.00-1.64) | NA | NA | ||
| P=0.370 | ||||||
| incidence rate | ||||||
| <30 | 2 | 1,29 (1.11-1.48) | 0.00% | 0.843 | ||
| >30 | 1 | 1.92 (1.06-2.78) | NA | NA | ||
| P=0.370 | ||||||
| calculation method | ||||||
| multivariate logistic regression | 2 | 1.46 (0.92-2.02) | 49.8% | 0.03 | ||
| Binary logistic regression | 1 | 1.32 (1.00-1.64) | NA | NA | ||
| P=0.370 | ||||||
NA, Not applicable.