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Table 3 Examining the relationships between gestational week and neonatal complications

From: Perinatal outcomes and predictors of neonatal mortality in preterm premature rupture of membranes: a tertiary center experience

Variables

Group I (23–27+ 6) (n:19)

Group II (28–31+ 6) (n:30)

Group III (32–33+ 6) (n:41)

Group IV (34–36+ 6) (n:93)

p-value*

Delivery Type, (n, %)

     

 Vaginal

 C/S

6(31.6%)

13(68.4%)

10(33.3%)

20(66.7%)

13(31.7%)

28(68.3%)

49(52.7%)

44(47.3%)

0.049

Sex, (n, %)

     

 Female

 Male

8(42.1%)

11(57.9%)

11(36.7%)

19(63.3%)

16(39.0%)

25(61.0%)

43(46.2%)

50(53.8%)

0.765

Resuscitation Requirement, (n, %)

16(84.2%)

6(20.0%)

4(9.8%)

1(1.1%)

< 0.001 [I-II, III, IV] [II-IV]

RDS (all grades), (n, %)

16(84.2%)

5(16.7%)

3(7.3%)

2(2.2%)

< 0.001 [I-II, III, IV]

Severe RDS

2(10.5%)

-

-

1(1.1%)

0.079

Surfactant Requirement, (n, %)

14(73.7%)

5(16.7%)

3(7.3%)

1(1.1%)

< 0.001 [I-II, III, IV]

Requirement for Inotrope Support, (n, %)

6 (31.6%)

-

1(2.4%)

3(3.2%)

< 0.001 [I-II, III, IV]

Sepsis, (n, %)

8(42.1%)

4 (13.3%)

2 (4.9%)

5(5.4%)

< 0.001 [I-III, IV]

IVH, (n, %)

5(26.3%)

3(10.0%)

-

-

< 0.001 [I-III, IV]

NEC, (n, %)

3(15.8%)

-

-

-

< 0.001 [I-IV]

Suspicion of Pulmonary hypoplasia, (n, %)

3(15.8%)

-

-

-

< 0.001 [I-IV]

BPD, (n, %)

4(21.1%)

3(10.0%)

-

1(1.1%)

< 0.001 [I-III, IV]

Early neonatal Death, (n, %)

8 (42.1%)

-

-

-

< 0.001 [I-II, III, IV]

Death at discharge, (n, %)

4(63.2%)

-

-

2(2.2%)

< 0.001 [I-II, III, IV]

  1. Note: RDS classification: Mild RDS was defined as respiratory distress requiring ≤ 30% FiO2 with CPAP support, without significant retractions or grunting. Severe RDS was defined as respiratory distress requiring ≥ 40% FiO2, mechanical ventilation, or surfactant therapy, with pronounced clinical and radiological findings
  2. * “Pearson-χ2 cross” was used to examine the relationships between two qualitative variables
  3. Abbreviations: C/S; caesarean section, RDS; respiratory distress syndrome, IVH; intraventricular hemorrhage, NEC; necrotizing enterocolitis, BPD; Bronchopulmonary dysplasia