Table 3 Basal characteristics depending on one episode of MC or refractory microscopic colitis

Age (years)

63.8 (59.5–67.3)

62.5 (56.5–67.6)

BMI (kg/m²)

Missing value

25.4 (24.0–29.2)

32

24.1 (21.7–27.5)

38

CC/LC

36 (51.4)/34 (48.6)

56 (63.6)/32 (36.4)

IBS

39 (55.7)

48 (54.5)

Disease duration (years)

Missing value

6.5 (3.0–12.0)

8

10.0 (4.0–16.0)

7

University education

Missing value

21 (30.0)

2

33 (37.5)

2

Occupation

Employed

27 (38.6)

43 (48.9)

Retired

37 (52.9)

42 (47.7)

Others

6 (8.6)

3 (3.4)

Married/living together

Missing value

40 (57.1)

1

49 (55.7)

Smoking

Never smoking

14 (20.0)

27 (30.7)

Past smoking

38 (54.3)

26 (29.5)

Present smoking

18 (25.7)

35 (39.8)

Snuff users

Missing value

4 (5.7)

2

0

4

Nicotine chewing gum

Missing value

4 (5.7)

1

10 (11.4)

2

The number of days drinking/month

Missing value

4 (2–10)

18

5 (2–10)

23

Number of standard glasses each day of drinking

Never drinking

6 (8.6)

9 (10.2)

1

6 (8.6)

11 (19.6)

2

19 (27.1)

31 (35.2)

3

9 (12.9)

3 (3.4)

4

3 (4.3)

2 (2.3)

 ≥ 5

2 (2.8)

Missing value

25

32