Observational Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Nov 14, 2014; 20(42): 15787-15796
Published online Nov 14, 2014. doi: 10.3748/wjg.v20.i42.15787
Table 2 Vitamin D serum concentrations in the summer/autumn and the winter/spring period and ulcerative colitis/Crohn´s disease cohorts n (%)
VD concentration (nmol/L)IBD summer/autumn (n = 196)CD summer/autumn (n = 124)UC summer/autumn (n = 72)IBD winter/spring (n = 140)CD winter/spring (n = 97)UC winter/spring (n = 43)
< 1010 (5)8 (6)2 (3)22 (16)16 (16)6 (14)
10-19.945 (23)28 (23)17 (24)37 (26)25 (26)12 (28)
20-29.961 (31)38 (31)23 (32)43 (31)31 (32)12 (28)
30-30.942 (21)27 (22)15 (21)21 (15)13 (13)8 (19)
40-40.925 (13)16 (13)9 (13)11 (8)7 (7)4 (9)
50-50.97 (4)4 (3)3 (4)6 (4)5 (5)1 (2)
> 606 (3)3 (2)3 (4)000
> 30 (normal)41%40%42%27%26%30%