Table 4.
Variable | 5-year OS | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|---|
Log-rank χ2 test | P | HR (95% CI) | P | ||
AJCC stage | |||||
Stage I | |||||
Marital Status | 119.59 | < 0.001 | |||
Married | 76.40% | Reference | |||
Widowed | 54.20% | 1.67(1.40–2.00) | P < 0.001 | ||
Single | 65.80% | 1.61(1.37–1.91) | P < 0.001 | ||
Divorced/separated | 59.80% | 1.81(1.53–2.13) | P < 0.001 | ||
Stage II | |||||
Marital status | 103.231 | < 0.001 | |||
Married | 63.70% | Reference | |||
Widowed | 32.60% | 2.06(1.70–2.50) | P < 0.001 | ||
Single | 55.10% | 1.47(1.20–1.81) | P < 0.001 | ||
Divorced/separated | 51.30% | 1.52(1.26–1.84) | P < 0.001 | ||
Stage III | |||||
Marital status | 48.854 | < 0.001 | |||
Married | 47.20% | Reference | |||
Widowed | 26.40% | 1.45(1.21–1.74) | P < 0.001 | ||
Single | 45.60% | 1.19(1.01–1.40) | 0.032 | ||
Divorced/separated | 42.30% | 1.25(1.06–1.47) | 0.006 | ||
Stage IV | |||||
Marital status | 68.915 | < 0.001 | |||
Married | 34.70% | Reference | |||
Widowed | 16.70% | 1.44(1.24–1.66) | P < 0.001 | ||
Single | 29.60% | 1.17(1.05–1.30) | 0.004 | ||
Divorced/separated | 27.20% | 1.21(1.07–1.36) | 0.001 |
OS, overall survival; PSM, propensity score matching; HR, hazard ratio; CI, confidence interval.