Fig. 2

Odds ratios (ORs) with 95% confidence intervals (CIs) for the risk of SLE by quartiles of PFASs concentrations based on the levels of the control group. Conditional logistic regression analysis with the exposure divided into three groups: 0-50%, 50-75%,and 75-100%. Model 1 was adjusted for BMI and model 2 was adjusted for model 1, smoking, drinking, hypertension and leukocyte