Table 3. Distribution of postoperative morbidity within categories of predicted risk.
| Major Morbidity Risk Score | ||||||
|---|---|---|---|---|---|---|
| Minimal | Low | Intermediate | High | |||
|
|
||||||
| Post operative Outcome (n, [%]) | Total n=980 |
0-2 n=407 |
3 n=173 |
4 n=188 |
5+ n=212 |
p-value |
| At least one major adverse outcome | 224 (23) | 55 (13.5) | 34 (19.7) | 49 (26.1) | 86 (40.6) | <0.001 |
|
| ||||||
| Any pulmonary complicationa | 199 (20.3) | 51 (12.5) | 28 (16) | 38 (20) | 82 (39) | <0.001 |
| Pneumonia | 65 (6.7) | 15 (3.7) | 7 (4.1) | 14 (7.5) | 29 (13.8) | <0.001 |
| Reintubation | 42 (4.3) | 7 (1.7) | 3 (1.7) | 11 (5.9) | 21 (9.9) | <0.001 |
| Postoperative tracheostomy | 8 (0.8) | 1 (0.25) | 0 (0) | 2 (1.1) | 5 (2.4) | 0.027 |
| Pulmonary embolism | 34 (3.5) | 13 (3.2) | 6 (3.5) | 8 (4.3) | 7 (3.3) | 0.909 |
| Myocardial infarction | 11 (1.1) | 3 (0.74) | 0 (0) | 1 (0.5) | 7 (3.3) | 0.012 |
| Congestive heart failure | 36 (3.7) | 2 (0.5) | 4 (2.3) | 5 (2.7) | 25 (11.9) | <0.001 |
| Acute renal failure | 25 (2.6) | 0 (0) | 3 (1.7) | 3 (1.6) | 19 (9) | <0.001 |
| Cerebral vascular accident | 6 (0.6) | 1 (0.25) | 0 (0) | 1 (0.53) | 4 (1.9) | 0.068 |
| Septic shock or bacteremia | 21 (2.1) | 2 (0.5) | 3 (1.7) | 7 (3.7) | 9 (4.3) | 0.003 |
| Postoperative gastric or esophageal leak | 21 (2.2) | 6 (1.5) | 2 (1.2) | 7 (3.7) | 6 (2.8) | 0.229 |
| Perioperative hernia recurrence | 12 (1.2) | 4 (1) | 3 (1.7) | 1 (0.5) | 4 (1.9) | 0.528 |
| Readmission within 30-days of operation | 96 (9.8) | 21 (5.2) | 16 (9.3) | 22 (11.7) | 37 (17.5) | <0.001 |
| Reoperation within 30-days of operation | 60 (6.1) | 13 (3.2) | 8 (4.7) | 17 (9.0) | 22 (10.4) | 0.001 |
a
Any pulmonary complication includes: pneumonia; tracheostomy; unplanned bronchoscopy; pneumothorax or pleural effusion requiring drainage; reintubation; prolonged initial ventilation>48 hours