Table 1 Patient sample by IBD type

Years in IBD registry^a

Median (Min–Max)

25th; 75th percentiles

9 (0–19)

4; 15

11 (0–19)

5; 17

8 (0–19)

4; 13

10 (0–19)

5; 15

 < 0.001

Age: Mean (SD)Median (Min–Max)

Median (Min–Max)

25th;75th percentiles

45.9 (15.9) 44.7 (19–100)

33.0; 56.4

52.1 (16.7) 51.2 (19–101)

39.4; 64.3

51.5 (18.0) 49.8 (19–102)

37.0; 64.5

48.9 (16.6) 47.8 (19–102)

35.7; 60.7

 < 0.001

Age groups:

 < 0.001

 18–45

3512 (50.8)

2155 (35.2)

206 (37.3)

5873 (43.2)

  > 45–65

2422 (35.0)

2493 (40.8)

212 (38.3)

5127 (37.7)

 Over 65

983 (14.2)

1470 (24.0)

135 (24.4)

2588 (19.1)

Sex:

 < 0.001

 Female

3381 (48.9)

3167 (51.8)

315 (57.0)

6863 (50.5)

 Male

3536 (51.1)

2951 (48.2)

238 (43.0)

6725 (49.5)

Biologic treatment^b

 < 0.001

 Yes

2538 (36.7)

742 (12.1)

88 (15.9)

3368 (24.8)

 No (never)

4379 (63.3)

5376 (87.9)

465 (84.1)

10,220 (75.2)

SES

0.769

 1 to 5 (low)

1685 (24.4)

1443 (23.6)

132 (23.9)

3260 (24.0)

 6 to 7 (moderate)

2610 (37.7)

2355 (38.5)

211 (38.2)

5176 (38.2)

 8 to 10 (high)

2606 (37.7)

2305 (37.7)

207 (37.4)

5118 (37.8)

 Missing

16 (0.2)

15 (0.2)

3 (0.5)

34 (0.9)