Table 3—

Associated factors with preterm delivery

ParametersUnivariate analysisMultivariate analysis
PPOR (95% CI)
First trimester HbA1c >8%0.00040.0022.2 (1.4–3.7)
Pre-existing retinopathy0.030.51.2 (0.7–2.2)
Pre-existing nephropathy0.00010.0053.5 (1.5–8.6)
Deterioration of retinopathy0.030.70.9 (0.4–1.9)
Gestational hypertension/pre-eclampsia<0.0001<0.00016.1 (3.4–11.0)