Table 6 Incidence of venous thromboembolism by disease activity and hospitalization according to age groups (young vs. old).

From: Risk of venous thromboembolism in Asian patients with inflammatory bowel disease: a nationwide cohort study

Disease activity and hospitalization

Events (n)

Person-years

Incidence (per 1000 person-years)

Young patients with IBD (20–39 years old)

19

42,319.5

0.45

Flare and hospitalization

5

344

14.53

Flare and non-hospitalization

3

3464

0.58

Non-flare and hospitalization

4

1126.5

3.55

Non-flare and non-hospitalization

8

37,385

0.21

Older patients with IBD (60–80 years old)

64

17,194.5

3.72

Flare and hospitalization

5

144.6

34.58

Flare and non-hospitalization

11

1657.7

6.64

Non-flare and hospitalization

12

508.2

23.61

Non-flare and non-hospitalization

36

14,884

2.42