Table 6

Logistic regression analysis for retinopathy progression

Operated eyeNon-operated eye
VariableOdds ratio (95% CI)p ValueOdds ratio (95% CI)p Value
Preoperative mean HbA1C2.9 (1.3 to 6.7)0.017.5 (1.6 to 35.8)0.01
Duration of DM0.9 (0.8 to 1.0)0.510.8 (0.7 to 1.0)0.08
Pre-existing hypertension2.8 (0.4 to 19.3)0.286.0 (0.4 to 94.0)0.20
Insulin treatment6.7 (0.7 to 61.3)0.0915.8 (0.7 to 68.0)0.08