Variable BPD Absent BPD Present Total P value
Total, n (%) 182 (57) 136 (43) 318 (100) -
Short gestation 41 (23) 90 (66) 131 (41) <.001
Congenital Malformations 72 (40) 57 (42) 129 (41) .67
Newborn complications 62 (34) 83 (61) 145 (46) <.001
Maternal complications 37 (20) 58 (43) 95 (30) <.001
Bacterial sepsis of newborn 1 (0.5) 2 (1.5) 3 (0.9) .40
Respiratory Distress Syndrome 41 (23) 31 (23) 72 (23) .96
Birth Hypoxia 19 (10) 15 (11) 34 (11) .87
Sepsis 12 (6.6) 9 (6.6) 21 (6.6) .99
Cardiac conditions 67 (37) 66 (49) 133 (42) .04
Chronic respiratory 95 (52) 94 (69) 189 (59) .002
Trauma 19 (10) 2 (1.5) 21 (6.6) .001
Pulmonary HTN 44 (24) 89 (65) 133 (42) <.001
Tracheobronchomalacia 9 (4.9) 15 (11) 24 (7.5) .04