Table 3. Cox regression in survival.
| Variable | P value |
|---|---|
| Demographic | |
| Age (years) | 0.027 |
| Medical comorbidities | |
| COPD | 0.001 |
| Hypertension | 0.999 |
| CAD | 0.390 |
| MI | 0.390 |
| Diabetes | 0.999 |
| Stroke | 0.257 |
| Renal dysfunction | – |
| Smoking | 0.244 |
| Tumor characteristics | |
| Size (cm) | 0.001 |
| Pathology | 0.288 |
| Adjacent anatomic structure invasion | 0.648 |
| Surgical | |
| Approach | 0.124 |
| CPB | 0.359 |
| Resection type | 0.345 |
| Postoperative | 0.017 |
| AF | 0.224 |
| Pneumonia | 0.085 |
| Respiratory dysfunction | 0.001 |
| Atelectasis | 0.036 |
| Adjuvant therapy | |
| Chemotherapy | 0.886 |
| Radiotherapy | 0.775 |
COPD, chronic obstructive pulmonary disease; CAD, coronary artery disease; MI, myocardial infraction; CPB, cardiopulmonary bypass; AF, atrial fibrillation.