Characteristics (n = 526) | Group A (n = 418) | Percent | Group B (n = 108) | Percent | p value |
Mean age | 45.3 |
| 72.7 |
|
|
Male | 322 | 77% | 78 | 72% | 0.99 |
Female | 96 | 23% | 30 | 28% | 0.99 |
VATS | 207 | 49.5% | 53 | 49% | 0.99 |
Open | 211 | 50.5% | 55 | 51% | 0.99 |
Empyema stage II | 145 | 34.6% | 34 | 31.4% | 0.99 |
Empyema stage III | 273 | 65.4% | 74 | 68.6% | 0.99 |
Myocardial infarct | 9 | 2.1% | 5 | 4.6% | 0.25 |
Asthma | 133 | 32% | 25 | 23% | 0.09 |
COPD | 17 | 4% | 5 | 4.6% | 0.99 |
Renal failure | 7 | 1.6% | 4 | 3.7% | 0.24 |
History of TIA | 2 | 0.4% | 3 | 2.7% | 0.06 |
Smoking history | 257 | 61% | 54 | 50% | 0.03 |