TABLE 2.

Adjusted^* Mean Direct Medical Costs for Venous Thromboembolism Case/Control Pairs by Time Period

Time Period	Cases ($)	Controls ($)	Mean Difference (95% CI; $)
Index to 5 years	55,956	32,718	23,238 (15,521, 30,934)
Index to 3 months	21,236	8,855	12,381 (9,516, 16,653)
3 to 6 months	4,135	3,564	571 (−1,159, 1,987)
6 months to 1 year	5,951	4,833	1,118 (−735, 3,017)
1 to 2 years	9,835	7,613	2,222 (−891, 5,533)
2 to 3 years	9,609	7,771	1,838 (−1,104, 5,216)
3 to 4 years	8,617	6,741	1,876 (−875, 4,777)
4 to 5 years	6,925	6,422	503 (−1,668, 2,610)
3 months to 5 years	36,749	25,952	10,797 (4,152, 18,034)

^*Predicted cost adjusted for age, sex, costs in the year prior to index and Resource Utilization Band