Figure 3.

Subgroup analysis of association between quartiles of TyG index and endometriosis. The ORs were assessed by multivariate logistic regression models adjusted for age, ethnicity, education level, marital status, fertility status, body mass index, diabetes, drinking status, smoking status and the use of oral contraceptives. All Models were not adjusted for the stratified covariates on which the subgroup analyses were conducted. TyG index, triglyceride-glucose index; OR, odds ratio; CI, confidence interval.