IL18 and polycystic ovary syndrome: The mean level of IL-18 in PCOS IR group was 243.1 pg/mL (S.D. = 64.2), in the PCOS without IR group the mean level was 174.3 pg/mL (S.D. = 66.8) and in the control group the mean level was 122.4 pg/mL (S.D. = 40.2).