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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Perinatol. 2012 Oct 4;33(5):383–387. doi: 10.1038/jp.2012.125

Table 2.

Baseline characteristics of the 11 neonates who did (BPD+) and the 16 neonates who did not (BPD−) develop BPD. Gender and race were compared using Fisher’s exact test. Gestational age and birth weight were compared using the Mann-Whitney U Test. No significant difference was found between BPD+ and BPD− groups. Data represent the mean ± SD or the frequency (%).

BPD+ BPD P-value

Gestational age (wks)
Mean ± SD (range) 26.95 ± 2.63 (24–31) 26.18 ± 1.86 (24–29) 0.512

Gender
Number (%)
Male 4 (36) 11 (69) 0.130
Female 7 (64) 5 (31)

Race
Number (%)
Caucasian 3 (27) 2 (13) 0.573
Black 7 (64) 13 (81)
Hispanic 1 (9) 1 (6)

Birthweight (gm)
Mean ± SD (range) 817 ± 263 (480–1390) 872 ± 245 (590–1320) 0.610