Table 2.
Risk factors for postoperative cardiopulmonary complications
| Variable | Complications (n = 8) | No complication (n = 57) | p value |
|---|---|---|---|
| Age (years) | 82.6 ± 2.4 | 82.2 ± 2.2 | 0.60 |
| Sex (M/F) | 7/1 | 28/29 | 0.06 |
| Smoke (Y/N) | 7/1 | 32/25 | 0.13 |
| %FVC | 107 (± 15.9) | 100 (± 17.9) | 0.17 |
| FEV1% | 72.9 (± 6.6) | 73.4 (± 7.3) | 0.85 |
| PaO2 (mmHg) | 0.57 | ||
| Mean | 87.3 | 82.5 | |
| Range | 72–100 | 64–93 | |
| Co-existing cardiopulmonary disease (+/–) | 6/2 | 38/19 | >0.99 |
| Clinical stage (IA/IB) | 3/5 | 33/24 | 0.45 |
| Cognition test (normal/mild to moderate) | 2/4 | 30/12 | 0.09 |
| Procedure (lob./sublobar.) | 7/1 | 36/21 | 0.25 |
| Operation time (min) | |||
| Mean | 154.8 | 137.8 | <0.45 |
| Range | 93–280 | 52–267 | |
| Blood transfusion (+/–) | 0/8 | 1/56 | >0.99 |
| Blood loss (g) | |||
| Mean | 78.8 | 39.6 | 0.10 |
| Range | 10–255 | 5–260 |
Data are presented as mean (± standard deviation). FEV: forced expiratory volume in 1s; FVC: forced vital capacity; PaO2: arterial oxygen tension; lob.: lobectomy; sublobar.: sublobar resection