Table III.
Multivariate analysis of the prognostic factors for survival rate in patients with limited-stage small-cell lung cancer.
| Characteristic | B | HR | 95% CI | χ2 | P-value |
|---|---|---|---|---|---|
| Age, years (≥65 vs. <65) | 0.097 | 1.101 | 0.908–1.336 | 0.956 | 0.328 |
| Gender (female vs. male) | −0.096 | 0.908 | 0.542–1.522 | 0.133 | 0.715 |
| ECOG PS (2 vs. 0–1) | 0.300 | 1.349 | 0.587–3.100 | 0.498 | 0.480 |
| Weight loss (≥5 vs. <5%) | −0.066 | 0.936 | 0.512–1.709 | 0.047 | 0.829 |
| Smoking status (yes vs. no) | 0.329 | 1.390 | 0.999–1.934 | 3.816 | 0.051 |
| TRT (yes vs. no) | −0.413 | 0.661 | 0.463–0.945 | 5.163 | 0.023 |
| CT cycles (≥4 vs. <4) | −0.056 | 0.945 | 0.507–1.763 | 0.031 | 0.860 |
| PCI (yes vs. no) | −0.423 | 0.655 | 0.491–0.873 | 8.337 | 0.004 |
B, coefficient B; HR, hazard ratio; CI, confidence interval; ECOG PS, Eastern Cooperative Oncology Group performance score; TRT, thoracic radiotherapy; CT, chemotherapy; PCI, prophylactic cranial irradiation.