INS and Insulin resistance: In contrast, markers of insulin-resistance were positively correlated only in girls (fasting insulin levels (r: 0.56, p = 0.002), HOMA-IR (r: 0.52, p = 0.004)), but not in boys (fasting insulin levels (r: 0.11, p = 0.51), HOMA-IR (r: 0.06, p = 0.74)).