Table III.
Univariate and multivariate analysis of OS for younger patients (n=80).
| Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|
| Variables | HR (95% CI) | P-value | HR (95% CI) | P-value |
| PS | ||||
| 0 vs. 1,2 | 2.39 (1.17–4.87) | 0.02 | – | – |
| Stagea | ||||
| 1,2,3,4 | 3.11 (1.97–4.92) | <0.0001 | 2.83 (1.55–5.16) | 0.0007 |
| Residual tumor | ||||
| No vs. yes | 7.31 (3.14–17.02) | <0.0001 | 2.12 (0.71–6.29) | 0.18 |
| SPTb | ||||
| No vs. yes | 0.49 (0.24–0.96) | 0.04 | 0.28 (0.14–0.58) | 0.0006 |
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.