Table 10.
Univariate and multivariate analysis for evaluating marital status on OS according to different geographic regions
| Variables | Median OS (month) | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|---|
| Log‐rank χ2 | P value | HR (95% CI) | P value | ||
| Northeast | |||||
| Marital status | 217.224 | <0.001 | |||
| Married | 11 | Reference | |||
| Divorced/separated | 9 | 1.186 (1.054, 1.336) | 0.005 | ||
| Widowed | 4 | 1.132 (1.027, 1.248) | 0.012 | ||
| Single | 10 | 1.268 (1.150, 1.399) | <0.001 | ||
| South | |||||
| Marital status | 313.797 | <0.001 | |||
| Married | 8 | Reference | |||
| Divorced/separated | 5 | 1.198 (1.095, 1.311) | <0.001 | ||
| Widowed | 3 | 1.192 (1.093, 1.300) | <0.001 | ||
| Single | 9 | 1.191 (1.091, 1.301) | <0.001 | ||
| North Central | |||||
| Marital status | 165.476 | <0.001 | |||
| Married | 9 | Reference | |||
| Divorced/separated | 9 | 1.188 (1.032, 1.367) | 0.017 | ||
| Widowed | 3 | 1.162 (1.028, 1.313) | 0.016 | ||
| Single | 8 | 1.275 (1.112, 1.462) | 0.001 | ||
| West | |||||
| Marital status | 623.824 | <0.001 | |||
| Married | 9 | Reference | |||
| Divorced/separated | 7 | 1.182 (1.117, 1.251) | <0.001 | ||
| Widowed | 3 | 1.194 (1.125, 1.266) | <0.001 | ||
| Single | 9 | 1.222 (1.163, 1.284) | <0.001 | ||