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Comparison of comorbidities between groups
| Comorbidity | VATS group | TL group |
|---|---|---|
| Coronary artery disease | 1 | 2 |
| Congestive heart failure | 2 | 4 |
| Chronic pulmonary disease | 14 | 20 |
| Peptic ulcer disease | 5 | 7 |
| Mild liver disease | 3 | 5 |
| Cerebrovascular disease | 3 | 3 |
| Diabetes | 4 | 6 |
| Moderate to severe renal disease | 1 | 2 |
TL, lobectomy by thoracotomy; VATS, Video-assisted thoracoscopic lobectomy.
