Table 2.
Odds ratios for major postoperative outcomes by NLR group
| Outcome | Prevalence, % | Odds Ratio | 95% CI |
|---|---|---|---|
| General Postoperative Outcomes | |||
| Death within 30 days | 1.0 | 2.12* | 1.42–3.16 |
| 1 or more VASQIP complications | 13.3 | 1.39* | 1.22–1.58 |
| Return to OR within 30 days | 13.2 | 1.07 | 0.94–1.23 |
| Cardiac Postoperative Outcomes | |||
| Cardiac arrest requiring CPR | 0.5 | 1.25 | 0.68–2.30 |
| Myocardial infarction†‡ | 0.3 | 0.68 | 0.28–1.62 |
| Central Nervous System Postoperative Outcomes | |||
| Coma lasting >24 hours post-op‡ | 0.1 | 1.15 | 0.30–4.48 |
| Cerebral vascular accident/Stroke‡ | 0.3 | 1.29 | 0.61–2.73 |
| Other Surgical Postoperative Outcomes | |||
| Bleeding requiring >4 units pRBCs‡ | 0.2 | 1.72 | 0.75–3.94 |
| Deep vein thrombosis/Thrombophlebitis§ | 0.3 | 1.09 | 0.49–2.39 |
| Sepsis | 1.3 | 1.51* | 1.05–2.17 |
| Respiratory Postoperative Outcomes | |||
| Failure to wean off mechanical ventilation >48 hours | 2.9 | 1.30* | 1.01–1.68 |
| Pneumonia | 3.5 | 1.58* | 1.26–1.99 |
| Pulmonary embolism‡‖ | 0.3 | 2.51* | 1.17–5.37 |
| Reintubation for respiratory/cardiac failure | 2.1 | 1.25 | 0.92–1.70 |
| Urinary Tract Postoperative Outcomes | |||
| Acute renal failure post-op†‡ | 0.1 | 0.76 | 0.18–3.23 |
| Progressive renal insufficiency‡ | 0.2 | 1.20 | 0.50–2.88 |
| Urinary tract infection | 1.1 | 1.14 | 0.75–1.73 |
| Wound Postoperative Outcomes | |||
| Superficial surgical site infection | 2.6 | 1.13 | 0.85–1.49 |
| Deep wound surgical site infection | 1.2 | 1.42 | 0.96–2.09 |
Abbreviations: NLR, neutrophil-to-lymphocyte ratio; CI, confidence interval; OR, operating room; pRBCs, packed red blood cells
*
Statistically significant
†
Race recategorized as White, Black, or Other
‡
No chemotherapy in model
§
No ASA classification in model
‖
No race in model