a Comparison between three groups;
b Comparison between MA group and LNG-IUS group.
c Comparison between MA group and MA+LNG-IUS group.
P-value<0.05 was the significant threshold in analysis.
* IR: HOMA-IR≥2.95; Non-IR: HOMA-IR<2.95.
Abbreviation: CR, complete response; MA, megestrol acetate; LNG-IUS, levonorgestrel-releasing intrauterine system; IR, insulin resistance; BMI, body mass index; MS, metabolic syndrome.