Fig. 3

Association between TG (A), age (B), creatinine (C), and BMI (D) and low HDL-C levels in females adjusted for age, allowing for nonlinear effects, with 95% CIs. / The RCS function was designed with 4 knots according to TG (A), age (B), creatinine (C), and BMI (D) distribution. Curves show ORs compared with the chosen reference A TG level of 151 mg/ dL, B age of 57 years, C creatinine level of 1 mg/ dL, D BMI of 28 kg/m². BMI: body mass index; HDL-C: high-density lipoprotein cholesterol; TG: triglyceride; RCS: restricted cubic spline; OR: odds ratio; CI: confidence interval