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Table 2 Univariate analysis of the prognostic factors of primary spinal chordoma patients

From: Analysis of prognostic factors for survival in patients with primary spinal chordoma using the SEER Registry from 1973 to 2014

Variable

5-year overall survival (%)

Median overall survival (months)

p value

Age in years

  

< 0.001

 0–20

65.5

138

 

 21–59

84.4

146

 

 60+

56.1

69

 

Gender

  

0.192

 Female

71.1

99

 

 Male

65.8

89

 

Race

  

0.061

 White

59.0

91

 

 Black

67.3

114

 

 Other

68.1

85

 

Primary site

  

0.992

 Vertebrae

68.0

95

 

 Sacrum/pelvis

68.5

92

 

Disease stage

  

< 0.001

 Localized/regional

69.6

102

 

 Distant

51.6

80

 

 Unstaged

61.7

86

 

Therapy performed

  

< 0.001

 Non-surgical

48.2

56

 

 Surgical

74.7

111

 

Marital status

  

0.454

 Unmarried

69.5

98

 

 Married

68.0

91

 

Rural or urban

  

0.326

 Rural

64.4

91

 

 Urban

69.5

95

 
  1. Calculated using log-rank test, p < 0.01 considered statistically significant