TABLE 1

Baseline characteristics of the study group with type 1 diabetes and normoalbuminuria according to whether or not microalbuminuria developed during follow-up

Characteristic at baselineNormoalbuminuria remained (n = 834)Microalbuminuria developed (n = 109)P
Age at diagnosis of diabetes (years)16.3 ± 8.514.3 ± 8.60.02
Duration of diabetes (years)12.4 ± 8.414.3 ± 8.40.03
Current age (years)28.7 ± 7.828.6 ± 8.00.81
HbA1c (%)8.1 ± 1.49.1 ± 1.60.0001
SBP (mmHg)117.5 ± 11.7119.4 ± 12.70.16
DBP (mmHg)72.7 ± 7.673.6 ± 7.20.23
BMI (kg/m2)24.3 ± 3.024.1 ± 3.20.72
Women (%)54530.85
Smoking status (%)
 Current21480.001
 Past169
 Never6343
  • Data are means ± SD or %. P value from t or χ2 test. DBP, diastolic blood pressure; SBP, systolic blood pressure.