From: Randomised prospective study for the effect of therapy on residual beta cell function in type-1 diabetes mellitus [ISRCTN70703138]
Variable
C-peptide nmol/l
age years
BMI kg/m2
Interval 1
< 0.3
18 ≤ age < 30
< 21 kg/m2
Interval 2
≥ 0.3
30 ≤ age ≤ 40
≥ 21 kg/m2