INS and liver dysplastic nodule: Urinary albumin levels in insulin-treated, vitamin D-treated, and combined insulin and vitamin D-treated groups were significantly lower than that in DN group (57.50 ± 9.35, 112.50 ± 16.36, 29.67 ± 3.78 mg/day, respectively; P < 0.05) but significantly higher than that in control group (P < 0.05).