Table 1. Characteristics of BPD+

Male Mean (SD)Female Mean (SD)p
Gestational age (weeks)26.6 (1.4)25 (0.8)0.025
Neonatal weight (grams)900 (84.7)764.3 (50.7)0.19
Corrected age 1st measure (months)4.7 (2.7)5.4 (3.4)0.67
Length (z-score)–1.0 (0.6)–0.42 (2.3)0.52
BMI (z-score)–0.69 (1.59)–1.87 (0.85)0.12
Oxigen dependency (days)70.6 (14.3)119.9 (81.4)0.14