Table 1 Comparison of selected demographic variables and hospitalization data of the patients in the studied groups
Patient characteristics | BPD (N = 9) | No BPD (N = 10) | P value | ||
|---|---|---|---|---|---|
N | SD | N | SD | ||
Sex(female) | n = 5(55.6%) |  | n = 6(60%) |  | 1.000 |
Birth Weight(kg), mean | 1.20 | 0.28 | 1.21 | 0.20 | 0.920 |
GA weeks, mean | 28.87 | 1.52 | 30.30 | 1.43 | 0.050 |
Maternal Age, mean | 31.56 | 3.43 | 32.20 | 5.63 | 0.770 |
Caesarean | n = 6(66.7%) |  | n = 7(70%) |  | 1.000 |
Prenatal steroid usage | n = 3(33.3%) |  | n = 7(70%) |  | 0.179 |
PROM > 18 h | n = 3(33.3%) |  | n = 2(20%) |  | 0.628 |
Gestational diabetes | n = 4(44.4%) |  | n = 3(30%) |  | 0.650 |
Chorioamnionitis | n = 0(0%) |  | n = 0(0%) |  |  |
Apgar score (1Â min), mean | 7.89 | Â | 7.20 | Â | 0.497 |
Apgar score (5Â min), mean | 9.00 | Â | 8.80 | Â | 0.720 |
Complication | |||||
Patent ductus arteriosus | n = 6(66.7%) |  | n = 3(30%) |  | 0.179 |
Early onset sepsis | n = 0(0%) |  | n = 1(10%) |  | 1.000 |
Intraventricular hemorrhage | n = 5(55.6%) |  | n = 2(20%) |  | 0.170 |
Retinopathy of prematurity | n = 0(0%) |  | n = 0(0%) |  |  |
PH (the first blood gas analysis), mean | 7.25 | 0.10 | 7.28 | 0.11 | 0.679 |
Total time of using the ventilator(h), mean | 1078.22 | 713.10 | 287.00 | 114.62 | 0.004 |
Total oxygen time(h), mean | 1465.00 | 687.82 | 358.20 | 102.23 | 0.000 |