Table 1.
Patient demographics
| Characteristic | Overall (N = 27 778) | High riska (N = 9374) | Non‐high risk (N = 18 404) |
|---|---|---|---|
| Demographic | |||
| Age in yearsa; median (IQR) | 66 (50‐79) | 73 (60‐81) | 61 (44‐76) |
| Female; n (%) | 12 698 (46%) | 4207 (45%) | 8491 (46%) |
| Comorbidities; n (%) | |||
| Cancerb | 3476 (13%) | 2974 (32%) | 502 (3%) |
| Obesityb | 7098 (26%) | 4807 (51%) | 2291 (12%) |
| Hypercoagulabilityb | 1881 (7%) | 1759 (19%) | 122 (1%) |
| Prior VTEb | 4766 (17%) | 4641 (50%) | 125 (1%) |
| Hormone replacement therapyb | 864 (3%) | 584 (6%) | 280 (2%) |
| Congestive heart failure | 8215 (30%) | 4044 (43%) | 4171 (23%) |
| Diabetes | 6629 (24%) | 2680 (29%) | 3949 (21%) |
| Current tobacco use | 6984 (25%) | 1860 (20%) | 5124 (28%) |
| Hospital detail; n (%) | |||
| Bed resta | 10 042 (36%) | 6774 (72%) | 3268 (18%) |
| Surgery (in the past month)b | 3621 (13%) | 3071 (33%) | 550 (3%) |
| Central venous catheter | 2995 (11%) | 1773 (19%) | 1222 (7%) |
| Infection | 7076 (25%) | 2710 (29%) | 4366 (24%) |
| PICC line | 1903 (7%) | 856 (9%) | 1047 (6%) |
| Sepsis | 4566 (16%) | 1760 (19%) | 2806 (15%) |
| ICU admission | 11 529 (42%) | 3910 (42%) | 7619 (41%) |
| Length of stay (days); median (IQR) | 2.9 (1.7‐4.8) | 3.5 (2.1‐5.7) | 2.7 (1.6‐4.1) |
ICU, intensive care unit; PICC, peripherally inserted central catheter; VTE, venous thromboembolism.
a
Patients at high risk for at least 50% of their hospital stay were classified as high risk overall.
b
Component of the risk stratification score.