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Table 4 Binary logistic regression analysis evaluating influence of covariates on morbidity and mortality in study population with gestational age ≤ 28 weeks and birth weight ≤ 1000 g

From: Morbidity associated with patent ductus arteriosus in preterm newborns: a retrospective case-control study

Dependent variabels

Covariates

hs-PDA

Gender

Pregnancy-induced

hypertension

Prolonged Mechanical Ventilation

 OR (95%CI)

3.097 (0.731 to 13.132)

1.210 (0.391 to 3.750)

1.415 (0.398 to 5.033)

Bronchopulmonary Dysplasia

 OR (95%CI)

8.489 (0.968 to 74.435) *

2.112 (0.572 to 7.800)

0.689 (0.166 to 2.859)

Intraventricular Hemorrhage

 OR (95%CI)

1.466 (0.365 to 5.894)

2.870 (0.834 to 9.878)

0.713 (0.173 to 2.946)

Retinopathy of Prematurity

 OR (95%CI)

3.553 (0.674 to 18.742)

0.865 (0.260 to 2.879)

1.583 (0.424 to 5.903)

Hypotension

 OR (95%CI)

2.405 (0.669 to 8.649)

0.823 (0.278 to 2.440)

0.520 (0.141 to 1.924)

Morbidity°

 OR (95%CI)

2.671 (0.674 to 10.592)

1.248 (0.349 to 4.462)

0.853 (0.176 to 4.139)

Mortality

 OR (95%CI)

0.899 (0.211 to 3.830)

2.212 (0.548 to 8.932)

0.209 (0.023 to 1.915)

  1. hs-PDA hemodynamically significant Patent Doctus Arteriosus. (a) Intramuscular steroid cycle in two doses of 12 mg over a 24-h period; ° BPD or NEC or IVH or PLV or ROP or Prolonged mechanical ventilation or Hypothension; * p < 0.05