Table 3. Postoperative complications.
| Variables | No-Ketamine (n=40) | Ketamine-Use (n=98) | P |
|---|---|---|---|
| LOS (days) | 7.3±4.5 | 6.5±3.8 | 0.323 |
| Delirium (%) | 2.6 | 14.3 | 0.047* |
| Fever (%) | 2.6 | 10.4 | 0.131 |
| UTI (%) | 5.0 | 6.2 | 0.788 |
| Ileus (%) | 20.0 | 9.3 | 0.084 |
| Deep SSI (%) | 5.1 | 3.2 | 0.585 |
| Wound dehiscence (%) | 2.5 | 3.1 | 0.844 |
| Draining wound (%) | 2.5 | 2.1 | 0.880 |
| Superficial SSI (%) | 0.0 | 2.1 | 0.361 |
| Pneumonia (%) | 2.5 | 0.0 | 0.118 |
| Hypertension (%) | 5.0 | 6.2 | 0.788 |
| Hypotension (%) | 15.0 | 11.3 | 0.555 |
| Hematoma (%) | 2.5 | 2.1 | 0.873 |
| Anemia (%) | 30.0 | 38.1 | 0.366 |
| MI (%) | 2.5 | 1.0 | 0.515 |
| PE (%) | 0.0 | 2.1 | 0.360 |
| DVT (%) | 5.0 | 2.1 | 0.353 |
| Stroke (%) | 0.0 | 2.1 | 0.360 |
| Sepsis (%) | 0.0 | 4.1 | 0.192 |
| Weakness (%) | 10.0 | 6.2 | 0.435 |
| Sensory deficit (%) | 0.0 | 1.0 | 0.519 |
| Urinary retention (%) | 2.5 | 11.3 | 0.096 |
| 30-day readmission (%) | 25.0 | 9.2 | 0.014* |
*P<0.05. LOS, length of stay; UTI, urinary tract infection; SSI, surgical site infection; MI, myocardial infarction; DVT, deep vein thrombosis; PE, pulmonary embolism.