Table 3.

A Allelic frequencies of rs7820058 in Surgical NEC in infants surviving >7d vs. survival without medical or surgical NEC across the entire NRN cohort.
P<0.0001 Chi square (O.R. 4.72, 2.51 - 8.88)	NEC (n=60)	NO NEC (n=1092)
Major Allele (A)	45 (75%)	1020 (93.4%)
Minor Allele (G)	15 (25%)	72 (6.6%)

B Allelic frequencies of rs7820058 in Surgical NEC in infants surviving >7d vs. survival without medical or surgical NEC among non-Hispanic Caucasians
P=0.1135 (OR: 3.52, 95% CI 0.67 - 18.4)	NEC (n=8)	NO NEC (n=266)
Major Allele (A)	6 (75%)	243 (91.3%)
Minor Allele (G)	2 (25%)	23 (8.6%)

C Allelic frequencies of rs7820058 in Surgical NEC in infants surviving >7d vs. survival without medical or surgical NEC among African-Americans
P<0.01 (OR 3.38: 95% CI 1.46-7.83) Chi square	NEC (n=40)	NO NEC (n=566)
Major Allele (A)	32 (80%)	527 (93.1%)
Minor Allele (G)	8 (20%)	39 (6.9%)

D Allelic frequencies of rs7820058 in Surgical NEC in infants surviving >7d vs. survival without medical or surgical NEC among Hispanic Caucasians
P<0.0001 OR (17.86, 95% CI 4.82-66.2)	NEC (n=12)	NO NEC (n=260)
Major Allele (A)	7 (68.3%)	250 (96.1%)
Minor Allele (G)	5 (41.7%)	10 (3.9 %)