INS and diabetes mellitus: There was no statistically significant difference between the two groups concerning gender, days in the hospital, number of hospitalizations, residence, education level, smoking, drinking, DBP, family history of diabetes, insulin therapy, oral hypoglycemic agents, TG, TC, HDL-C, serum C-peptide, 2-hour serum C-peptide, ALB, Scr, UA, BUN, MPV.