. Author manuscript; available in PMC: 2014 Oct 1.

Published in final edited form as: Arthritis Care Res (Hoboken). 2013 Oct;65(10):1600–1607. doi: 10.1002/acr.22039

Table 4.

Presence (%) of major risk factors for VTE among patients with incident VTE (n=713) during the follow-up period

	Rheumatoid arthritis (n=265)	Non-rheumatoid arthritis (n=448)
	Percentages
90 days before the outcome
Hospitalization	29	32
Any surgery	38	42
Malignancy	30	19
90 days after the outcome
Malignancy	11	19
90 days before and after the outcome
Provoked VTE^*	57	60

Provoked VTE was defined as occurring in the presence of known malignancy 90 days before and after the VTE, acute hospitalization and surgery 90 days before the VTE.(24)