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Table 6 Univariate 1-, 2-, and 5-year absolute survival rates of patients with GBM by racial groups, diagnosis year groups, radiation treatment groups, extent of surgery groups, and age groups

From: Effect of pretreatment clinical factors on overall survival in glioblastoma multiforme: a Surveillance Epidemiology and End Results (SEER) population analysis

 

1-year

95% CI

 

2-year

95% CI

 

5-year

95% CI

 

Racial Groups

         

   White*

30.54

30.03–31.05

 

10.11

9.76–10.46

 

3.25

3.02–3.48

 

   Black

32.42

30.06–34.80

 

12.10

10.44–13.88

 

3.31

2.34–4.55

 

   Asian/Pacific Islander

36.79

33.99–39.59

**

15.17

13.04–17.44

**

5.30

3.89–7.02

**

   Am. Indian/Alaskan

29.41

20.16–39.26

 

11.51

5.71–19.54

 

8.12

3.22–15.97

 

   Unknown

47.06

29.83–62.52

 

32.20

15.30–50.09

**

18.40

4.95–38.54

**

   Other

53.85

24.77–75.99

 

29.91

6.78–58.20

 

insufficient data

Diagnosis Year Groups

         

   1973 to 1979*

24.79

23.21–26.39

 

6.86

5.97–7.83

 

2.30

1.79–2.90

 

   1980 to 1989

26.39

25.12–27.69

 

7.36

6.62–8.14

 

2.41

1.99–2.89

 

   1990 to 1999

26.77

25.82–27.73

 

7.11

6.56–7.67

 

2.18

1.88–2.52

 

   2000 to 2008

34.75

34.06–35.44

**

13.45

12.93–13.98

**

4.37

3.99–4.77

**

Radiation Treatment Groups

         

   Yes*

41.12

40.48–41.75

 

13.68

13.22–14.15

 

4.13

3.83–4.44

 

   No

9.25

8.70–9.83

**

3.50

3.13–3.89

**

1.74

1.46–2.05

**

   Unknown

15.69

13.60–17.91

**

5.43

4.15–6.95

**

2.10

1.28–3.26

**

Extent of Surgery

Groups

         

   Surgical Resection*

39.21

38.58–39.84

 

13.39

12.93–13.85

 

4.23

3.94–4.55

 

   No Cancer Directed Resection

12.78

12.08–13.50

**

3.92

3.49–4.37

**

1.44

1.16–1.76

**

   Unknown

12.83

11.48–14.24

**

3.78

3.05–4.63

**

1.35

0.93–1.90

**

Age Groups

         

   <50*

58.32

57.01–59.60

 

26.56

25.37–27.76

 

11.12

10.22–12.05

 

   > = 50

25.46

24.95–25.97

**

7.14

6.83–7.46

**

1.67

1.49–1.87

**

Ten-Year Age-Bands

(<50 only)

         

   20 to 29*

68.17

64.24–71.77

 

44.90

40.74–48.96

 

23.09

19.48–26.89

 

   30 to 39

65.31

62.66–67.83

 

35.55

32.89–38.21

**

16.73

14.60–18.98

**

   40 to 49

54.26

52.63–55.85

**

20.38

19.05–21.75

**

7.09

6.19–8.07

**

  1. * Reference group against which other groups’ survival experience are compared.
  2. ** Statistically significant result (P < 0.025) comparing whether groups’ survival rate is the same as reference group.
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World Journal of Surgical Oncology

ISSN: 1477-7819

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