INS and diabetes mellitus: The average time between hereditary pancreatitis and diabetes diagnosis was 80 ± 24 months (range: 60–180 months) with a mean age of 25.6 ± 14.7 years (range: 8–42 years), four patients used antidiabetic agents for 46 ± 45 months and all progressed to insulin therapy with a mean dose of 0.71 ± 0.63 IU/kg (range: 0.3–1.76 IU/kg).