Table 1 Comparison of selected demographic variables and hospitalization data of the patients in the studied groups
BPD(−) group n = 21 | BPD(+) group n = 36 | p | |
|---|---|---|---|
Gestational age [weeks], median [Q25; Q75] | 29 [28; 29] | 26 [24.25; 28] | < 0.0001 a |
Birthweight [g], median [Q25; Q75] | 1145 [990; 1415] | 870 [732.5; 1000] | 0.0002 a |
Female gender; n (%) | 13 (62%) | 25 (69%) | 0.5602 b |
Antenatal steroids; n (%) | 15 (71%) | 29 (81%) | 0.4283 b |
Sepsis; n (%) | 1 (5%) | 2 (6%) | 0.8970 b |
Intraventricular hemorrhage grade 3/4; n (%) | 0 (0%) | 2 (6%) | 0.2715 b |
Patent ductus arteriosus; n (%) | 3 (14%) | 23 (64%) | 0.0003 b |
Pneumonia; n (%) | 0 (0%) | 11 (31%) | 0.0042 b |
Necrotizing enterocolitis; n (%) | 0 (0%) | 5 (14%) | 0.0695 b |
Bronchopulmonary dysplasia; n (%) | 0 (0%) | 36 (100%) | < 0.0001 b |
- mild | 29 (81%) | ||
- moderate | 7 (19%) | ||
- severe | 0 (0%) | ||
Retinopathy of prematurity; n (%) | 4 (19%) | 24 (67%) | 0.0005 b |
- requiring laser coagulation | 0 (0%) | 5 (14%) | 0.0738 b |