Univariate analysis of the perioperative variables contributing to the occurrence of pulmonary complications following a lobectomy
| Variable | Category | No of patients | No (%) of patients with pulmonary complications | p value | |
| Serum LDH (U/l) | <230 | 83 | 16 (19.3%) | 0.007 | |
| ⩾230 | 6 | 4 (66.7%) | |||
| FVC (%) | <80 | 5 | 3 (60.0%) | 0.04 | |
| ⩾80 | 84 | 17 (20.2%) | |||
| Pao 2(kPa) | <10.6 | 15 | 8 (53.3%) | 0.002 | |
| ⩾10.6 | 74 | 12 (16.2%) | |||
LDH = lactate dehydrogenase; FVC = forced vital capacity; Pao 2 = arterial oxygen tension.