Table 1 Characteristics of the inception cohort of 527 patients with childhood onset type 1 diabetes after 10 years of diabetes, divided into three groups according to year of diagnosis of diabetes
Year of diagnosis of diabetes
Group A,1986–1989Group B,1990–1993Group C,1994–1996p Value
Sample size, % male165 (54)179 (54)183 (56)
Age at diagnosis diabetes, years8.8 (4.1)8.6 (4.2)9.2 (3.8)0.31
Subjects with microalbuminuria, n (%)35 (19.0)39 (20.9)36 (19.1)0.87
Cumulative prevalence of microalbuminuria, % (95% CI)23.2 (15.4 to 30.0)24.8 (17.8 to 31.8)31.7 (20.9 to 42.5)0.22
Mean HbA1c in year 1 of diabetes, %10.3 (2.1)10.2 (2.0)9.6 (2.1)0.09
Mean HbA1c in year 10 of diabetes, %10.1 (1.7)9.4 (1.5)8.9 (1.5)<0.001
Insulin dose, units/kg/day0.9 (0.2)0.9 (0.3)0.9 (0.3)0.33

  • Data shown are mean (SD) unless otherwise stated.