Table 3 Patient characteristics and operative characteristics (n = 392)
Characteristics | Â | n | % |
|---|---|---|---|
Age[year] | ≤ 49 | 46 | 11.7 |
| Â | 50-59 | 108 | 27.6 |
| Â | 60-69 | 169 | 43.1 |
|  | ≥ 70 | 67 | 17.1 |
|  | Mean ± SD | 60.9 ± 8.8 | |
Gender | male | 291 | 74.2 |
| Â | female | 101 | 25.8 |
One-year mortality | alive | 384 | 98.0 |
| Â | dead | 8 | 2.0 |
Three-year mortality | alive | 358 | 91.3 |
| Â | dead | 34 | 8.7 |
Surgical treatment type | wedge resection | 12 | 3.1 |
| Â | lobectomy | 336 | 85.7 |
| Â | pneumonectomy | 41 | 10.5 |
| Â | other | 3 | 0.8 |
Pathologic stage | I | 206 | 52.6 |
| Â | II | 76 | 19.4 |
| Â | III | 110 | 28.0 |
Histologic subtypea | squamous cell carcinoma | 204 | 53.0 |
| Â | adenocarcinoma | 155 | 40.3 |
| Â | bronchoalveolar carcinoma | 17 | 4.4 |
| Â | large cell carcinoma | 2 | 0.5 |
| Â | small cell carcinoma | 3 | 0.8 |
| Â | other | 4 | 1.0 |
Length of stay (days) | Mean ± SD | 37.60 ± 46.32 | |
Mean reimbursement cost(won) | Mean ± SD | 5,240,683 ± 2,318,995 | |