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Table 3 Kaplan–Meier analysis overall survival for chordoma patients based on primary site and disease stage

From: Influence of marital status on overall survival in adult patients with chordoma: a SEER-based study

Characteristic

5-year overall survival, %

10-year overall survival, %

Median overall survival (months)

Kaplan-Meier

Log rank χ2 test

p value

Primary site

   

35.462

< 0.001

Bones of skull and face and associated joints

     

 Married

81.0

68.3

253.0

  

 Divorced/separated

65.8

44.9

106.0

  

 Widowed

45.3

18.1

42.0

  

 Single

85.0

71.8

  

Vertebral column

   

38.754

< 0.001

 Married

68.2

38.9

97.0

  

 Divorced/separated

82.8

40.9

102.0

  

 Widowed

32.5

0.0

33.0

  

 Single

74.1

58.3

141.0

  

Pelvic bone, sacrum, coccyx, and associated joints

   

7.278

0.064

 Married

69.6

44.9

106.0

  

 Divorced/separated

62.6

45.0

81.0

  

 Widowed

54.7

19.6

63.0

  

 Single

63.1

32.4

80.0

  

Disease stage

     

Localized

   

33.341

< 0.001

 Married

78.1

57.8

166.0

  

 Divorced/separated

78.5

58.5

146.0

  

 Widowed

47.0

10.4

59.0

  

 Single

87.2

65.8

178.0

  

Regional

   

31.648

< 0.001

 Married

74.4

50.3

121.0

  

 Divorced/separated

68.4

40.7

87.0

  

 Widowed

40.0

13.3

46.0

  

 Single

76.5

59.7

  

Distant

   

17.771

< 0.001

 Married

59.4

39.9

80.0

  

 Divorced/separated

0.0

0.0

12.0

  

 Widowed

28.6

0.0

16.0

  

 Single

42.3

30.2

32.0

  
  1. Note: p value < 0.05 are shown in bold