Table 1. Demographic Data of Patients (N = 30).

Variables	Results
Age (mean) (years)	37
Gender
Male	15
Female	15
Age of diagnosis (Montreal classification)
A1 (below 16 years)	2
A2 (between 17 and 40 years)	23
A3 (above 40 years)	5
Location
L1 (ileal)	11
L2 (colonic)	4
L3 (ileocolonic)	15
Behavior
B1 (non-stricturing, non-penetrating)	8
B2 (stricturing)	10
B3 (penetrating)	7
B2 + B3	5
Perianal disease	5
Duration of disease
< 5 years	16
> 5 years	14
Basal vitamin D	19.3