Table 1.
Demographics of Study Population
| Noncases | VTE Event | Non‐VTE Event | |
|---|---|---|---|
| n=19 082 | n=135 | n=404 | |
| Age, y | |||
| Mean | 65.7 | 70.8 | 66.1 |
| Median | 68 | 73 | 68 |
| SD | 18.3 | 14.1 | 17.7 |
| Sex | |||
| Female | 53% | 62% | 62% |
| Male | 47% | 38% | 38% |
| Qualifying illness | |||
| Acute infection | 39% | 26% | 39% |
| Respiratory | 21% | 19% | 19% |
| Heart failure | 14% | 7% | 15% |
| Cancer | 14% | 43% | 12% |
| Diabetes, pancreatitis, cholecystitis | 9% | 2% | 12% |
| Inflam bowel disease | 3% | 2% | 3% |
| Rheumatic disease | 0% | 0% | 0% |
| Index admission LOS | |||
| Mean | 7.48 | 12.68 | 7.18 |
| Median | 6 | 9 | 6 |
| VTE prophylaxis, pharmacological or order for mechanical | 49% | 49% | 45% |
| Pharmacological VTE prophylaxis | 43% | 44% | 40% |
LOS indicates length of stay; VTE, venous thromboembolism.