Table 8.

Univariate and multivariate analysis for evaluating marital status on OS according to different age ranges

Variables	Median OS (month)	Univariate analysis		Multivariate analysis
		Log‐rank χ2	P value	HR (95% CI)	P value
≤49
Marital status		12.091	0.007
Married	18			Reference
Divorced/separated	15			1.219 (1.077, 1.381)	0.002
Widowed	14			1.260 (0.790, 2.009)	0.332
Single	17			1.022 (0.943, 1.108)	0.595
50‐59
Marital status		47.495	<0.001
Married	14			Reference
Divorced/separated	11			1.174 (1.082, 1.272)	<0.001
Widowed	14			1.072 (0.907, 1.266)	0.415
Single	10			1.164 (1.083, 1.251)	<0.001
60‐69
Marital status		94.023	<0.001
Married	10			Reference
Divorced/separated	7			1.237 (1.149, 1.332)	<0.001
Widowed	6			1.258 (1.146, 1.381)	<0.001
Single	6			1.210 (1.124, 1.303)	<0.001
≥70
Marital status		197.567	<0.001
Married	4			Reference
Divorced/separated	3			1.125 (1.038, 1.220)	0.004
Widowed	3			1.263 (1.202, 1.327)	<0.001
Single	3			1.246 (1.150, 1.348)	<0.001