Genetic association and epistatic interaction of the interleukin-10 signaling pathway in pediatric inflammatory bowel disease

Table 1 Study samples

Sample	n	Sex, n	Race, n	Age at diagnosis
IBD	159	Male, 85; female, 74	White, 153; black, 6	13.1
CD	136	Male, 77; female, 59	White, 130; black, 6	13.1
CCFA	118	Male, 65; female, 53	White, 112; black, 6	13.0
Hershey	18	Male, 12; female, 6	White, 18	13.4
UC	23	Male, 9; female, 14	White, 23	13.3
CCFA	10	Male, 5; female, 5	White, 10	12.9
Hershey	13	Male, 4; female, 9	White, 13	13.6
Control	129	Male, 65; female, 64	White, 121; black, 7; unknown, 1	17.5

IBD: Inflammatory bowel disease; CD: Crohn’s disease; CCFA: Crohn’s and Colitis Foundation of America; UC: Ulcerative colitis.