Table 3.

Comparison of pregnancy and neonatal outcomes between GA at delivery <26 weeks and ≥26 weeks.

	GA at delivery <26 weeks (n = 17)	GA at delivery ≥26 weeks (n = 18)	p-value
GA at delivery (weeks)	22+4 [18+4–25+6]	33+4 [26+2–40+3]	< 0.001*
Prolongation date (days)	13 [2–52]	94 [26–144]	< 0.001*
PPROM within a week	6/17 (35.3%)	0/18 (0%)	0.008*
Chorioamnionitis	1/17 (5.9%)	0/18 (0%)	0.49
Neonatal birth weight (g)	585 [160–1,090]	2,213 [920–3,710]	< 0.001*
Very low birth weight	17/17 (100%)	4/18 (22.2%)	< 0.001*
Extremely low birth weight	16/17 (94.1%)	1/18 (5.6%)	< 0.001*
Viability	9/17 (52.9%)	18/18 (100%)	0.001*
Apgar score < 7 at 5 min	1/9 (11.1%)	13/18 (72.2%)	0.004*
Perinatal death (<72 h)	4/9 (44.4%)	0/18 (0%)	0.007*
Early neonatal death (<7 days)	5/9 (55.6%)	0/18 (0%)	0.002*
NICU admission	9/9 (100%)	12/18 (66.7%)	0.071
Respiratory distress syndrome	9/9 (100%)	3/18 (16.7%)	< 0.001*
Bronchopulmonary dysplasia	8/9 (88.9%)	3/18 (16.7%)	0.001*
Necrotizing enterocolitis	2/9 (22.2%)	0/18 (0%)	0.10
Intraventricular hemorrhage	3/9 (33.3%)	1/18 (5.6%)	0.09
Retinopathy of prematurity	3/9 (33.3%)	6/18 (33.3%)	1.00
Sepsis	8/9 (88.9%)	4/18 (22.2%)	0.003*

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.