Table IV.
Univariate and multivariate analysis of OS for elderly patients (n=34).
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| Variables | HR (95% CI) | P-value | HR (95% CI) | P-value |
| PS | ||||
| 0 vs. 1, 2 | 5.86 (2.14–16.03) | 0.0006 | 2.83 (1.25–11.75) | 0.02 |
| Stagea | ||||
| 1, 2, 3, 4 | 1.55 (0.83–2.89) | 0.17 | – | – |
| Residual tumor | ||||
| No vs. yes | 1.21 (0.43–3.45) | 0.72 | – | – |
| SPTb | ||||
| No vs. yes | 4.30 (2.24–8.25) | <0.0001 | 0.43 (0.13–1.39) | 0.16 |
a
Stage is an ordinal variable.
b
SPT was defined as completing at least 6 cycles of adjuvant chemotherapy after surgery in principle. Bold print indicates statistically significant P-values. HR, hazard ratio; 95% CI, 95% confidence interval; PS, performance status; SPT, standard primary therapy.