Vitamin D Deficiency Is Associated with Endoscopic Severity in Patients with Crohn’s Disease

Table 2

Comparisons of characteristics between patient group and healthy controls.

Characteristics	Healthy controls; (%) patients with colorectal cancer	Patients with Crohn’s disease (%)	value
Age [median (quartiles)]	27 (18–57)	27 (22–35)	0.646
Male	27 (67.5%)	96 (73%)	0.575
Serum 25OHD level, nmol/L [median (quartiles)]	49.9 (44.9–57.4)	21.1 (11.8–32.3)	0.007
Detected in spring and winter/Detected in summer and autumn	17/23	64/67	0.588
Nonsmoking [n (%)]	32 (80%)	120 (91.6%)	0.302
BMI [median (quartiles)]	20 (17.3–22.1)	19.0 (17.0–21.3)	0.701

BMI: body mass index.