All patients with CAH: slightly lower glucose, higher insulin/glucose ratio, 2-hour postload glucose and insulin, insulin response (0-30 minutes), and mean insulin (0-120 minutes) vs controls; no differences in insulin, HOMA%, insulin resistance index, and disposition index; patients with C-CAH: lower glucose vs controls; patients with NC-CAH: higher 2-hour postload glucose and insulin, insulin response (0-30 minutes), and mean insulin (0-120 minutes) vs controls. The gene discussed is INS; the disease is congenital adrenal hyperplasia.