Table 3.

Comparative perinatal outcomes between Group 1 (first 3 years) and Group 2 (last 3 years) of this study

	Group 1 104	Group 2 132	P
Total operative time, min	121.2 ± 6.4	118.5 ± 8.2	0.005
Pulmonary oedema	3.8	1.5	0.476
Gestational age at birth, weeks	33.4 ± 2.6	33.7 ± 2.2	0.723
<30 weeks	8.7	5.3	0.321
30–34 weeks	44.2	46.2	0.721
35–36 weeks	34.6	34.8	0.970
≥37 weeks	12.5	13.6	0.797
Interval between surgery/delivery, days	51.6 ± 17.9	52.5 ± 16.5	0.962
Birthweight, g	2173 ± 533	2195 ± 486	0.931
Preterm labour	27.9	21.2	0.30
PPROM	32.7	22.0	0.089
Chorioamniotic membrane separation	26.0	16.7	0.113
Chorioamnionitis	5.8	0.8	0.062
Oligohydramnios	31.7	16.7	0.010
Abruptio placentae	1.0	0.8	1.000
Uterine scar dehiscence	4.8	3.0	0.715
Blood transfusion at delivery	1.9	2.3	1.000
Dehiscence at repair site	2.9	2.3	1.000
Reversal of hindbrain herniation at birth	64.0	77.1	0.042
Perinatal mortality	3.8	0.8	0.238