Table 2. Mortality rates following VTE, by cohort.

Characteristic	N	Source of mortality data	Failures (deaths)	Person-time (years)	Incidence of Mortality per 1,000 person-years
1: Primary care cohort	36,216	primary care	6,112	56362	108.4
2: Linked exposure cohort	23,720	primary care	5,771	33961	169.9
3: Linked exposure and linked outcome cohort	22,639	primary care or ONS	5,569	32149	173.2
4: Secondary care cohort	13,404	primary care	4,186	17651	237.2
A: All data cohort	46,296	primary care or ONS	9,701	69001	140.6
B: Consenting practice cohort	26,320	primary care or ONS	6,264	38125	164.3