TABLE 2.
Venous Thromboembolism (VTE) Case-Fatality Rates Among Women Experiencing an Incident VTE Event, by VTE Category and Type: Iowa Women's Health Study, 1986–2004
| No. of Deaths | No. of VTE Events | Case-Fatality Rate, % | |
| VTE category | |||
| Overall | |||
| 28 d | 164 | 2137 | 7.7 |
| 1 y | 477 | 2137 | 22.3 |
| Pulmonary embolism | |||
| 28 d | 99 | 824 | 12.0 |
| 1 y | 217 | 824 | 26.3 |
| Deep vein thrombosisa | |||
| 28 d | 65 | 1313 | 5.0 |
| 1 y | 260 | 1313 | 19.8 |
| VTE type | |||
| Idiopathic | |||
| 28 d | 5 | 463 | 1.1 |
| 1 y | 17 | 463 | 3.7 |
| Secondary (all) | |||
| 28 d | 159 | 1674 | 9.5 |
| 1 y | 460 | 1674 | 27.4 |
| Secondary VTE type (all) | |||
| Cancer-related | |||
| 28 d | 71 | 444 | 16.0 |
| 1 y | 241 | 444 | 54.3 |
| Non–cancer-related | |||
| 28 d | 88 | 1230 | 7.2 |
| 1 y | 219 | 1230 | 17.8 |
a
Deep vein thrombosis only; women with both deep vein thrombosis and pulmonary embolism were grouped in the pulmonary embolism category.