Epithelioid Hemangioendothelioma: Incidence, Mortality, Prognostic Factors, and Survival Analysis Using the Surveillance, Epidemiology, and End Results Database

Table 2

Univariate and multivariate cox analysis of overall survival.

Variable	Groups	Patients	Univariate analysis; HR (95% CI)	Multivariate analysis; HR (95% CI)
Age	Age 0-19	10	1 (reference) -	1 (reference) -
	Age 20-39	47	1.038 (0.431-2.500) 0.933	0.784 (0.316-1.945) 0.599
	Age 40-59	80	1.696 (0.716-4.017) 0.230	1.320 (0.538-3.240) 0.545
	Age 60-79	68	2.431 (0.999-5.914) 0.050	2.000 (0.804-4.978) 0.136
	Age 80+	10	8.199 (2.400-28.009) <0.001	8.566 (2.320-31.626) <0.01
Sex	Male	95	1 (reference) -	1 (reference) -
	Female	120	1.10404 (0.763-1.597) 0.6	0.903 (0.600-1.359) 0.625
Race	White	177	1 (reference) -	1 (reference) -
	Black	21	1.768 (0.962-3.250) 0.067	2.520 (1.309-4.853) <0.01
	Other	17	2.322 (1.198-4.501) 0.013	2.989 (1.498-5.964) <0.01
Location	Soft tissue and skin	67	1 (reference) -	1 (reference) -
	Respiratory lesions	42	2.311 (1.272-4.198) <0.001	2.551 (1.370-4.749) <0.01
	Bone and joints	18	1.418 (0.739-2.721) 0.29	1.877 (0.921-3.823) 0.083
	Abdominal lesions	61	1.205 (0.758-1.916) 0.431	1.252 (0.771-2.035) 0.364
	Head and necks	8	0.542 (0.240-1.225) 0.141	0.609 (0.254-1.459) 0.266
	Others	19	1.463 (0.605-3.533) 0.398	1.360 (0.523-3.530) 0.530
Surgery	No surgery	115	1 (reference) -	1 (reference) -
	Surgery	100	0.820 (0.563-1.193) 0.299	0.970 (0.640-1.474) 0.887