Table 1.

Characteristics of Crohn’s disease patients by mean vitamin D level

	Mean < 30 (n = 115)	Mean ≥ 30 (n = 81)
Age, (mean ± SD, yr)	45.50 (15.07)	54.26 (17.63)
DoD	17.83 (11.77)	22.58 (14.50)
Race
Caucasian	66.96%	87.65%
African-American	31.30%	12.35%
Others	1.74%	0.00%
Female	61.74%	71.6%
BMI
Low (< 18.5)	11.30%	8.64%
Normal (18.5-24.9)	40.00%	41.98%
Over Weight (25-29.9)	20.00%	27.16%
Obese (≥ 30)	28.70%	22.22%
Smoking	26.96	11.11
Steroids	51.30	45.68
Immune modulators	84.35%	76.54%
Biologicals	61.74%	51.85%
Thiopurines	61.74%	51.85%
Methotrexate	20.87	13.58

DoD: Duration of disease; BMI: Body mass index.