Table 3.
Postoperative Outcomes (Unmatched)
| Variable (mean or mean, n, %) | P0 (n = 302) | P2 (n = 337) | p value |
|---|---|---|---|
| RB (composite) | 72 (24%) | 31 (9.2%) | < 0.001 |
| Re-exploration | 6 (2%) | 3 (0.89%) | 0.32 |
| Pleural Intervention-Percutaneous | 69 (23%) | 25 (7.4%) | < 0.001 |
| Pleural Intervention- Surgical | 2 (0.66%) | 1 (0.3%) | 0.6 |
| Pericardial Intervention | 4 (1.3%) | 4 (1.2%) | 1 |
| # Pleural Effusion drained | 168 | 59 | 0.001 |
| POAF | 93 (37%) (n = 251) | 67 (25%) (n = 270) | 0.0032 |
| Cardiac arrest | 8 (2.6%) | 8 (2.4%) | 1 |
| Postoperative blood products used | 72 (24%) | 61 (18%) | 0.079 |
| CTO (mL) first 24 h | 740 [561.3–975] | 680 [532–910] | 0.016 |
| Total CTO (mL) | 1136 [834.3–1645] | 1040 [760–1430] | 0.041 |
| Total CT (days) | 3 [3–4] | 2 [2–2] | < 0.001 |
| Infection (any) | 39 (13%) | 14 (4.2%) | < 0.001 |
| Surgical site deep | 0 (0%) | 0 (0%) | 1 |
| Surgical site superficial | 0 (0%) | 0 (0%) | 1 |
| Surgical site mediastinitis | 0 (0%) | 0 (0%) | 1 |
| Pneumonia | 20 (6.6%) | 6 (1.8%) | 0.0022 |
| Septicemia | 4 (1.3%) | 0 (0%) | 0.049 |
| UTI | 11 (3.6%) | 4 (1.2%) | 0.064 |
| C. Diff | 3 (0.99%) | 2 (0.59%) | 0.67 |
| Highest postop- creatinine | 1.1 [0.905–1.4] | 1 [0.83–1.33] | < 0.001 |
| AKI Stage 1 | 85 (28%) (n = 299) | 67 (20%) (n = 332) | 0.02 |
| AKI Stage 2 | 8 (2.7%) | 8 (2.4%) | 1 |
| AKI Stage 3 | 4 (1.3%) | 3 (0.9%) | 0.71 |
| Postop-renal dialysis | 7 (2.3%) | 2 (0.59%) | 0.092 |
| Stroke | 2 (0.66%) | 4 (1.2%) | 0.69 |
| Mortality | 7 (2.3%) | 9 (2.7%) | 0.81 |
Abbreviations: Retained Blood (RB), Postoperative atrial fibrillation (POAF); Chest tube output (CTO); Chest tube (CT), Urinary Tract Infection (UTI), Clostridium difficile (C.Diff), Acute Kidney Injury (AKI)