Table 6. Association of blood transfusion with adverse outcomes in patients who underwent thoracic spine fusion.
| Outcome | Not transfused (%) | Transfused (%) | Multivariate logistic regressiona | ||
|---|---|---|---|---|---|
| Odds ratio | 95% CI | p Value | |||
| Deep surgical site infection | 2.2 | 1.2 | 0.56 | 0.11–3.01 | 0.495 |
| Venous thromboembolism | 0.8 | 1.8 | 2.85 | 0.46–17.35 | 0.255 |
| Superficial surgical site infection | 3.1 | 3.6 | 0.94 | 0.31–2.81 | 0.914 |
| Myocardial infarction | 0.6 | 0.6 | 1.00 | 0.88–11.44 | 0.997 |
| Pulmonary embolism | 0.6 | 2.4 | 5.39 | 0.67–42.8 | 0.111 |
| Extended length of stay (≥9 d) | 23.2 | 36.5 | 1.90 | 1.22–2.97 | 0.004b |
| Death | 0 | 1.2 | – | – | – |
Abbreviation: CI, confidence interval.
a
Each line represents a separate multivariate logistic regression analysis for each variable and adjusted odds ratio and p value by controlling for multiple-level surgery and all demographics and comorbidities found in Table 4.
b
Statistically significant (p < 0.05).