Table 1 Clinical characteristics of enrolled subjects

Number of subjects

15

35

Number of samples

30

45

Male:Female

14:1

26:9

Mean age (year)

35.0

28.1

BMI (kg/m²)

23.9

21.2

Mean disease duration (month)

–

54.9

Montreal classification^a (No. of patients)

–

L1B1 (2), L1B2 (2), L2B1 (4), L2B2 (1), L3B1 (17), L3B2 (5), L3B3 (4)

Perianal involvement (No. of patients)

–

11 (31.4 %)

Medication (No. of patients)

–

Prednisolone (5), 5-ASA (30), Azathioprine (22), Infliximab (9)