Table 2 —

Factors jointly predictive of retinopathy in type 1 diabetic patients from the DCCT primary cohort when adjusting for metabolic control, as obtained by multiple logistic regression (n = 319)

VariableCoefficientPOdds ratio
Intercept−19.4 ± 3.40<0.0001
HbA1c at baseline (%)0.314 ± 0.0930.00071.37 (1.15–1.65)
BMI (kg/m2)0.108 ± 0.0530.04081.11 (1.01–1.24)
Duration of participation in the study (months)*2.83 ± 0.625<0.00011.04 (1.02–1.06)
Metabolic control (0 = good, 1 = poor)2.01 ± 0.358<0.00017.48 (3.79–15.5)
  • Data are coefficient ± SE or odds ratio (95% CI).

  • *

    * Log-transform applied;

  • odds ratio on original scale (month).