Skip to main content
. 2023 Mar 15;130:196–202. doi: 10.1016/j.ijid.2023.03.017

Table 2.

Rate and risks of complications of vaccine group and no-vaccine group.

No-vaccine group (n=511) Rate per 100 deliveries Vaccine group (n = 119) Rate per 100 deliveries Crude risk ratio (95% confidence interval) Adjusted risk ratio (95% confidence interval) P-value X2
Preterm 27 5.3% 7 5.9% 1.11 (0.50-2.50) 1.00 (0.44-2.29) 0.07 0.80
Pregnancy-induced hypertension syndrome 32 6.3% 5 4.2% 0.67 (0.27-1.69) 0.67 (0.27-1.69) 0.74 0.39
Small-size for gestational age 16 3.1% 3 2.5% 0.81 (0.24-2.72) 0.81 (0.34-2.73) 0.12 0.73
Gestational diabetes mellitus 65 12.7% 19 16.0% 1.26 (0.78-2.01) 1.23 (0.77-1.98) 0.88 0.35