Table 2.
Unadjusted rates of infectious complication, thromboembolic complication, blood transfusion, length of stay >4 days, and 30-day readmission in anemic versus non-anemic patients.
| Not Anemic (n=46,136) |
Anemic (n=13,881) |
p-value | |
|---|---|---|---|
| Infectious Complications | |||
| Superficial wound infection | 889 (1.9%) | 388 (2.8%) | <0.001 |
| Deep wound infection | 118 (0.3%) | 76 (0.6%) | <0.001 |
| Organ space infection | 729 (1.6%) | 366 (2.6%) | <0.001 |
| Pneumonia | 227 (0.5%) | 163 (1.2%) | <0.001 |
| Urinary tract infection | 1,094 (2.4%) | 412 (3.0%) | <0.001 |
| Sepsis + Septic Shock | 460 (1.0%) | 352 (2.5%) | <0.001 |
| Any infectious complication | 2,908 (6.3%) | 1,374 (9.9%) | <0.001 |
| Thromboembolic Complications | |||
| Pulmonary embolism | 266 (0.6%) | 154 (1.1%) | <0.001 |
| DVT/thrombophlebitis | 158 (0.3%) | 132 (1.0%) | <0.001 |
| Stroke | 43 (0.1%) | 22 (0.2%) | 0.04 |
| Any thromboembolic complication | 427 (0.9%) | 282 (2.0%) | <0.001 |
| Blood Transfusion | <0.001 | ||
| Yes | 1,657 (3.6%) | 3,601 (25.9%) | |
| No | 44,479 (96.4%) | 10,280 (74.1%) | |
| Length of Stay > 4 Days | <0.001 | ||
| Yes | 4,039 (8.8%) | 3,890 (28.0%) | |
| No | 42,097 (91.2%) | 9,991 (72.0%) | |
| Median Length of Stay (Days) +/− SD | 1 +/− 2.87 | 3 +/− 4.87 | <0.001 |
| Readmission Within 30 Days | <0.001 | ||
| Yes | 1,995 (4.3%) | 1,066 (7.7%) | |
| No | 44,141 (95.7%) | 12,815 (92.3%) | |
| Total | 46,136 (76.9%) | 13,881 (23.1%) | 60,017 |