Table 4. Relationship between PNI and postoperative complications.
| Complications | PNI ≥ 50 (n = 20) | PNI < 50 (n = 24) | total (n = 44) |
|---|---|---|---|
| Pulmonary | |||
| Air leak > 5days duration | 2 | 3 | 5 |
| Atelectasis | 0 | 1 | 1 |
| Pleural effusion | 1 | 2 | 3 |
| Pneumonia | 3 | 1 | 4 |
| Pneumothorax | 0 | 5 | 5 |
| Other pulmonary event | 1 | 3 | 4 |
| Cardiovascular | |||
| Atrial arrhythmia | 5 | 2 | 7 |
| Myocardial infarct | 1 | 0 | 1 |
| Infection | |||
| Empyema | 1 | 0 | 1 |
| Surgical site infection | 0 | 1 | 1 |
| Neurology | |||
| New central neurological event | 1 | 0 | 1 |
| Recurrent laryngeal nerve paresis | 0 | 1 | 1 |
| Delirium | 2 | 1 | 3 |
| Miscellaneous | |||
| Chylothorax | 3 | 4 | 7 |
PNI: prognostic nutritional index
Other pulmonary events include three cases of interstitial pneumonia and one case of chronic obstructive pulmonary disease exacerbation.