Table 1 Demographic and clinical characteristics of the study subjects
Survivors without severe BPD N = 72 | Severe BPD or death N = 66 | p-value | |
|---|---|---|---|
Gestational age (week) | 26.2 ± 1.2 | 25.5 ± 1.4 | 0.002 |
Birth weight (g) | 822.36 ± 226.63 | 733.79 ± 214.42 | 0.02 |
Female/male | 35/37 | 36/30 | 0.501 |
SGA | 18 (25) | 15 (22.7) | 0.843 |
PROM | 31 (43.1) | 42 (57.5) | 0.018 |
Chorioamnionitis | 36 (52.2) | 40 (62.5) | 0.293 |
Oligohydramnios | 11 (15.3) | 15 (22.7) | 0.284 |
Preeclampsia | 9 (12.5) | 6 (9.1) | 0.592 |
Gestational diabetes | 2 (2.8) | 6 (9.2) | 0.15 |
RDS | 56 (77.8) | 60 (90.9) | 0.039 |
NEC stage ≥ II | 14 (19.4) | 15 (22.7) | 0.68 |
PDA (ligation) | 28 (38.9) | 32 (48.5) | 0.303 |
Culture proven sepsis | 29 (38.9) | 34 (51.5) | 0.171 |
Grade III or IV IVH | 11 (15.3) | 13 (20.0) | 0.506 |
ROP (operation) | 34 (47.2) | 27 (42.2) | 0.606 |
Postnatal steroids | 4 (5.6) | 18 (27.3) | 0.001 |
PAH | 3 (4.2) | 12 (19.7) | 0.006 |
The duration of mechanical ventilation (days) | 26.46 ± 16.96 | 55.98 ± 37.43 | < 0.001 |
The duration of supplemental oxygen (days) | 75.26 ± 22.05 | 100.05 ± 48.74 | < 0.001 |
Length of stay (days) | 94.18 ± 18.74 | 99.71 ± 55.16 | 0.441 |