Table 2. VEGF allele and genotype frequencies of BPD and non-BPD groups.

Polymorphism	Genotype	BPD, n = 55	non-BPD, n = 42	P-value
-1498T > C	TT/TC/CC	24/23/8	22/14/6	0.66
-1154G > A	GG/GA/AA	38/15/2	25/16/1	0.51
-634C > G	CC/CG/GG	4/29/22	10/22/10	0.04
-7C > T	CC/CT/TT	34/20/1	33/9/0	0.17
936C > T	CC/CT/TT	27/27/1	26/15/1	0.42
1612G > A	GG/GA/AA	40/15/0	33/9/0	0.51