Table 5.

Comparison of pregnancy and neonatal outcomes between postoperative CL of <20 mm and ≥20 mm.

	Postoperative CL at <20 mm (n = 22)	Postoperative CL at ≥20 mm (n = 13)	p-value
GA at delivery (weeks)	27+3 [18+4–40+1]	35+5 [24+5–40+3]	< 0.001*
Prolongation date (days)	22 [2–131]	96 [13–144]	< 0.001*
PPROM within a week	6/22 (27.3%)	0/13 (0%)	0.04*
Chorioamnionitis	1/22 (4.5%)	0/13 (0%)	0.63
Neonatal birth weight (g)	665 [160–2860]	2490 [830–3710]	< 0.001*
Very low birth weight	18/22 (81.8%)	3/13 (23.1%)	0.001*
Extremely low birth weight	15/22 (68.2%)	2/13 (15.4%)	0.005*
Viability	14/22 (51.9%)	13/13 (100%)	0.02*
Apgar score < 7 at 5 min	10/14 (71.4%)	3/13 (23.1%)	0.02*
Perinatal death (<72 h)	3/14 (21.4%)	1/13 (7.7%)	0.60
Early neonatal death (<7 days)	4/14 (28.6%)	1/13 (7.7%)	0.33
NICU admission	14/14 (100%)	7/13 (53.8%)	0.006*
Respiratory distress syndrome	10/14 (71.4%)	2/13 (15.4%)	0.001*
Bronchopulmonary dysplasia	9/14 (64.3%)	2/13 (15.4%)	0.03*
Necrotizing enterocolitis	2/14 (14.3%)	0/13 (0%)	0.48
Intraventricular hemorrhage	4/14 (28.6%)	0/13 (0%)	0.09
Retinopathy of prematurity	6/14 (42.9%)	3/13 (23.1%)	0.42
Sepsis	9/14 (64.3%)	3/13 (23.1%)	0.04*

Data are expressed as medians (ranges), and numbers (percentages).

^*p < 0.05, which means statistical difference.

GA, gestational age; PPROM; preterm premature rupture of membranes; NICU, neonatal intensive care unit.