Table 2.

Incidence rates per 10 000 person-years (PY) for venous thromboembolism (VTE), deep vein thrombosis (DVT), pulmonary embolism (PE) and other VTEs by carrier status

	Carrier		Non-carriers		Incidence rate ratio (95% CI)	p Value
	Number of events	Incidence rate per 10 000 PY (95% CI)	Number of events	Incidence rate per 10 000 PY (95% CI)
VTE	55	14.9 (11.4 to 19.4)	125	8.77 (7.35 to 10.4)	1.70 (1.24 to 2.33)	0.001
DVT only	24	6.53 (4.37 to 9.74)	83	5.83 (4.70 to 7.23)	1.12 (0.71 to 1.76)	0.2
PE only	26	7.07 (4.81 to 10.4)	36	2.53 (1.83 to 3.51)	2.79 (1.69 to 4.62)	<0.001
Other VTE	5	1.36 (0.57 to 3.28)	6	0.42 (0.19 to 0.94)	3.23 (0.99 to 10.6)	0.041