Table 3. Univariate and multivariate analysis of associations between marital status and CSS for different cancer stages.
| Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|
| AJCC 6th TNM stage/Variable | 5-year CCS | Log rank χ2 test | P | HR (95% CI) | P |
| Stage I | 42.865 | < 0.001 | |||
| Marital status | < 0.001 | ||||
| Married | 43.8% | Reference | |||
| Widowed | 35.9% | 1.369 (1.244–1.506) | < 0.001 | ||
| Never married | 42.4% | 1.089 (0.962–1.234) | 0.178 | ||
| Divorced/Separated | 39.9% | 1.119 (0.971–1.290) | 0.119 | ||
| Stage II | 92.511 | < 0.001 | |||
| Marital status | 0.001 | ||||
| Married | 23.5% | Reference | |||
| Widowed | 14.6% | 1.522 (1.393–1.664) | < 0.001 | ||
| Never married | 23.7% | 1.153 (1.037–1.282) | 0.009 | ||
| Divorced/Separated | 17.1% | 1.213 (1.080–1.363) | 0.001 | ||
| Stage III | 48.252 | < 0.001 | |||
| Marital status | < 0.001 | ||||
| Married | 14.3% | Reference | |||
| Widowed | 8.8% | 1.504 (1.330–1.701) | < 0.001 | ||
| Never married | 18.4% | 0.983 (0.850–1.136) | 0.813 | ||
| Divorced/Separated | 8.8% | 1.152 (0.996–1.332) | 0.056 | ||
| Stage IV | 145.801 | < 0.001 | |||
| Marital status | < 0.001 | ||||
| Married | 2.4% | Reference | |||
| Widowed | 1.2% | 1.447 (1.355–1.545) | < 0.001 | ||
| Never married | 1.2% | 1.172 (1.090–1.260) | < 0.001 | ||
| Divorced/Separated | 2.0% | 1.144 (1.054–1.242) | 0.001 | ||