Table 7: Clinical characteristics of the patients affecting local recurrence in univariate and multivariate analysis (Cox regression model).
CI*; confidence interval, NR†; not reached at median value, NA‡; not assessed, NSCLC§; non-small cell lung cancer, KPS☐; Karnofsky Performance Scale.
| Factor | median survival (month) | univariate analysis (p value) | Hazard ratio (95% CI*) | multivariate analysis (p value) | Hazard ratio (95% CI) |
| Gender | male | NR† | 0.871 | 1.07 (0.48, 2.38) | NA‡ | |
| female | NR |
| Age | ≥ 65 years | NR | 0.139 | 3.03 (0.78, 5.26) | NA | |
| < 65 years | NR |
| Pathology | NSCLC§ | NR | 0.229 | 1.67 (0.72, 3.85) | NA | |
| non-NSCLC | NR |
| Extracranial metastasis | presence | NR | 0.984 | 1.01 (0.48, 2.13) | NA | |
| absence | NR |
| Status of cancer | under-control | NR | 0.685 | 1.16 (0.57, 2.34) | NA | |
| out-of-control | NR |
| KPS☐ score | ≥ 70 | NR | 0.040 | 2.97 (1.48, 5.95) | 0.067 | 2.14 (1.03, 4.44) |
| < 70 | 8.3 |
| Postoperative radiotherapy | performed | NR | 0.062 | 1.60 (0.86, 3.06) | 0.182 | 1.28 (0.63, 2.18) |
| not performed | 11.6 |