Table 2

Incidence rates and relative risks for PE, DVT and PE or DVT in patients with SLE during follow-up

<1 year

1 to 5 years

>5 years of follow-up

PE events

31

20

3

DVT events

45

36

11

PE or DVT events

70

49

12

Incidence rate of PE/1,000 person-years

6.7

1.6

0.6

Incidence rate of DVT/1,000 person-years

9.8

3.0

2.3

Incidence rate of PE or DVT/1,000 person-years

15.5

4.1

2.6

Age-, sex-, entry-time-matched RR of PE (95% CI)

18.4 (9.9 to 35.5)

3.2 (1.8 to 5.3)

1.0 (0.2 to 3.1)

Age-, sex-, entry-time-matched RR of DVT (95% CI)

10.2 (6.6 to 15.8)

3.0 (2.0 to 4.4)

2.5 (1.2 to 5.0)

Age-, sex-, entry-time-matched RR of PE or DVT (95% CI)

13.6 (9.4 to 19.8)

3.0 (2.2 to 4.2)

1.7 (0.9 to 3.2)

Aviña-Zubieta et al. Arthritis Research & Therapy 2012 14(Suppl 3):A53   doi:10.1186/ar3987