. Author manuscript; available in PMC: 2009 Jul 5.

Published in final edited form as: Gastroenterology. 2008 Nov 1;136(1):123–130. doi: 10.1053/j.gastro.2008.09.072

Table 1.

Characteristics of Subjects With Incident Crohn’s Disease and Healthy Controls

Variable	Crohn’s disease	Controls	P value
N	78	902
Age, y	12.7 ± 2.8	11.8 ± 3.9	.04
Range	5.5 – 18.0	5.0 – 22.0
Sex, % male	56	48	.1
Race, % black	10	44	<.001
Prepubertal to early pubertal, % Tanner 1–2	45	54	.3
Height z score	−0.26 ± 1.1	0.27 ± 0.9	<.001
Range	−3.2 to 2.2	−2.6 to 3.3
BMI z score	−0.55 ± 1.1	0.36 ± 1.0	<.001
Range	−2.7 to 2.2	−2.4 to 3.0