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

Table 3

Clinical characteristics of patient group.

Characteristics	(%)
Years diagnosed [median (quartiles)]	2 (1–5)
Montreal classification [ (%)]
Age at diagnosis
A1 (<17 years)	9 (6.8)
A2 (17–40 years)	99 (75.6)
A3 (≥40 years)	23 (17.6)
Disease location [ (%)]
L2 (colonic)	8 (6.1)
L3 (ileocolonic)	123 (93.9)
Disease behavior [ (%)]
B1 (nonstricturing, nonpenetrating)	97 (74)
B2 (stricturing)	24 (18.3)
B3 (penetrating)	4 (3.1)
B2 + B3(stricturing and penetrating)	6 (4.6)
Disease activity
CDAI score [mean (SD)]	241 (84)
CRP, mg/L [median (quartiles)]	16.6 (6.4–37.1)
Albumin, g/L [mean (SD)]	34.8 (6.2)
SES-CD [median (quartiles)]	11 (6–17)
Serum 25OHD [nmol/L, median (quartiles)]	21.1 (11.8–32.3)

SES-CD: the simple endoscopic score for Crohn’s disease, CDAI: Crohn’s disease activity index, and CRP: C-reactive protein.