Statistical Table 19

 

Table 19. One-, Two-, Five-, And Ten-Year Observed And Relative Survival Ratesa For Selected Malignant Brain and Central Nervous System Tumors, SEER 1973-1999

Histology

ICDO Code(s)

No. of Cases

1-Year

2-Year

5-Year

10-Year

 

 

Obs

Rel

Obs

Rel

Obs

Rel

Obs

Rel

Pilocytic astrocytoma

9421-9422

895

94.7

94.9

92.9

93.3

88.9

89.7

85.6

87.1

Diffuse astrocytoma

9410, 9420

659

72.7

73.4

60.3

61.4

44.6

46.9

34.1

38.1

Anaplastic astrocytoma

9401, 9411

1,998

59.7

60.4

43.3

44.4

28.0

30.0

19.4

22.7

Astrocytoma, NOS

9400

6,964

58.2

59.0

45.0

46.4

33.6

36.3

25.1

29.9

Glioblastoma

9440-9442, 9481

13,733

28.1

28.8

8.2

8.6

2.9

3.3

1.7

2.3

Oligodendroglioma

9450

1,524

87.9

88.5

80.1

81.3

65.7

68.3

46.8

51.1

Anaplastic oligodendroglioma

9451, 9460

256

75.0

75.8

56.8

58.1

38.1

40.5

24.5

27.7

Ependymoma/anaplastic ependymoma

9391-9393

1,038

85.9

86.3

78.6

79.5

65.9

67.9

55.3

59.0

Mixed glioma

9382

664

83.6

84.1

71.9

72.8

54.4

56.3

39.0

42.3

Glioma malignant, NOS

9380

2,346

46.6

47.7

33.9

35.5

25.3

28.5

19.3

24.7

Neuroepithelial

9381, 9423, 9430, 9443

235

59.5

60.2

47.3

48.5

37.0

39.4

28.5

32.7

Malignant neuronal/glial,  neuronal and mixed

8680-8682, 8690, 8693, 9490-9491, 9500, 9505-9506, 9522-9523

154

77.1

77.4

63.6

64.0

51.3

52.1

46.3

47.5

Embryonal/primitive/    medulloblastoma

8963, 9363-9364, 9470-9473, 9501-9503

1,269

79.8

80.0

70.2

70.4

53.6

54.0

45.2

45.9

Total:  All brain and CNSb

8000-9989

33,896

50.0

50.9

35.0

36.4

25.6

28.2

19.5

24.2

aRates are an estimate of the percentage of patients alive at one, two, five and ten years, respectively.

bIncludes histologies not listed in this table. Brain lymphomas, olfactory tumors of the nasal cavity, and malignant tumors of the pituitary and pineal glands are excluded.

Abbreviation used: SEER, Surveillance, Epidemiology, and End Results.

 

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