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. Author manuscript; available in PMC: 2023 Feb 2.
Published in final edited form as: Pediatr Res. 2022 Apr 7;93(1):154–159. doi: 10.1038/s41390-022-02043-6

Table 2:

Variables known to be associated with increased BPD risk or protective affect in curated registry

BPD
n=1385
Controls
n=3142
aOR 95% CI p-value
Gestational age (days); mean (SD) 27.5 (2.3) 31.7 (1.7) 0.90 0.89 – 0.91 2.6 × 10−86*
Birth weight (grams); mean (SD) 1016 (396) 1706 (433) 0.37 0.26 – 0.54 1.2 × 10−7*
Male, N (%) 758 (55) 1682 (54) 1.30 1.07 – 1.57 0.007
Maternal Race-African American, N (%) 293 (21) 657 (21) 0.54 0.43 – 0.68 2.3 × 10−3*
Birth year, mean (SD) 2011 (3.8) 2011 (3.9) 1.01 0.99 – 1.04 0.34
(*)

indicates statistical significance based on Bonferroni threshold (with adjustment for gestational age, birthweight, sex, maternal race, and birth year)