Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Apr 14, 2017; 23(14): 2539-2544
Published online Apr 14, 2017. doi: 10.3748/wjg.v23.i14.2539
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)
DoD17.83 (11.77)22.58 (14.50)
Race
Caucasian66.96%87.65%
African-American31.30%12.35%
Others1.74%0.00%
Female61.74%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%
Smoking26.9611.11
Steroids51.3045.68
Immune modulators84.35%76.54%
Biologicals61.74%51.85%
Thiopurines61.74%51.85%
Methotrexate20.8713.58