TABLE 1

Baseline characteristics of C-peptide responders (≥0.2–0.5 nmol/l) vs. nonresponders (<0.2 nmol/l) among DCCT intensive treatment group subjects with 1–5 years’ duration of diabetes on entry

CharacteristicRespondersNonrespondersP
n138274
Age (years)28.2 ± 6.726.1 ± 7.4<0.007
Female50.748.2<0.07
Duration (years)2.1 ± 1.02.9 ± 1.2<0.001
HbA1c (%)8.3 ± 1.69.2 ± 1.6<0.001
Insulin (U · kg−1 · day−1)0.49 ± 0.200.69 ± 0.24<0.001
Retinopathy present12.319.3>0.2
AER (mg/24 h)10.4 ± 7.012.7 ± 11.4>0.2
  • Data are means ± SD or % unless otherwise indicated.