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Table 1 Percent distribution of colorectal cancer patients, demographic and clinical characteristics by race/ethnicity (N = 41,901), SEER, 1992–1996

From: Longitudinal, population-based study of racial/ethnic differences in colorectal cancer survival: impact of neighborhood socioeconomic status, treatment and comorbidity

Characteristic

Non-Hispanic White

Non-Hispanic Black

Hispanic1

Chinese

Japanese

Filipino

 

N = 34,164

N = 3,184

N = 2,061

N = 881

N = 1,116

N = 495

Gender

      

Male

47

43

50

57

54

56

Female

53

57

50

43

46

44

Year of diagnosis

      

1992–93

41

40

38

38

40

36

1994–96

59

60

62

62

60

64

SEER region2

      

SFBA

15

14

22

50

10

35

Connecticut

16

6

5

0

0

1

Detroit

13

32

1

1

0

0

Hawaii

1

0

0

13

60

33

Iowa

16

2

1

--

0

--

New Mexico

3

1

18

0

0

--

Seattle

11

3

1

4

5

4

Utah

3

0

2

0

1

--

Atlanta

4

13

1

1

--

0

LA

18

29

49

31

24

27

20%+ below poverty (N = 38,964)

7

52

25

20

9

11

Below poverty quartiles3 (N = 38,964)

      

1 (highest SES)

28

5

11

16

30

18

2

27

7

16

22

28

29

3

26

14

23

23

21

28

4 (lowest SES)

19

74

50

38

21

25

Non-HS quartiles4 (N = 38,964)

      

1 (highest SES)

28

6

11

20

19

11

2

27

11

17

20

22

21

3

26

15

19

21

28

22

4 (lowest SES)

18

69

53

39

31

47

Median income quartiles5 (N = 38,964)

      

1 (highest SES)

27

6

14

29

36

30

2

26

11

23

26

32

37

3

25

21

30

20

20

17

4 (lowest SES)

22

62

33

26

12

16

SES index6 quartiles (N = 38,964)

      

1 (highest SES)

34

7

15

29

34

21

2

21

7

13

13

20

24

3

29

19

27

27

31

34

4 (lowest SES)

16

67

45

32

15

22

Unknown SES

7

10

12

17

13

20

Married at diagnosis

      

Yes

52

37

51

66

64

64

No

45

59

46

32

35

34

Unknown

2

4

3

2

1

1

Age at diagnosis (mean ± S.D.)

      

65–69 (67.1 ± 1.4)

20

26

30

19

27

27

70–74 (72.0 ± 1.4)

24

26

25

25

29

22

75–79 (77.0 ± 1.4)

23

22

19

26

20

19

80+ (84.9 ± 4.1)

33

27

26

31

23

32

Site (location)

      

Proximal colon

46

49

42

36

36

27

Distal colon

28

30

27

35

35

38

Rectum

26

21

31

29

29

34

AJCC stage at diagnosis

      

Stage I

24

21

22

21

27

23

Stage II

32

28

31

31

29

25

Stage III

22

22

24

27

26

28

Stage IV

15

20

17

13

12

16

Unknown

7

9

7

8

6

7

Grade/differentiation

      

Well

10

10

9

7

6

6

Moderate

60

63

61

65

72

68

Poor/None

19

14

19

19

13

15

Unknown

12

13

11

9

9

11

Surgery7

      

None/NC Direct

9

14

9

10

6

11

Partial

7

6

6

6

8

7

GT Part/LT Tot

72

69

70

74

75

71

Total

11

11

14

10

11

10

Surgery, NOS

0.2

0.2

0.3

0.2

0.1

0.4

Radiation8

      

None

90

91

86

90

91

89

Any

9

7

11

8

8

9

Unknown

1

1

2

1

1

2

Chemotherapy9

      

None

92

96

87

89

95

92

Any

8

4

13

11

5

8

Received guideline treatment, stage III colon cancer (N = 6940)10

16

10

23

21

10

15

Received guideline treatment, stages II and III rectal cancer (N = 4626) 10

8

3

10

7

4

4

Received guideline treatment, stage III colon + stages II/III rectal cancer (N = 11,566) 10

13

8

17

15

8

10

Comorbidity11

      

None

68

68

72

82

77

80

1

22

19

19

14

16

13

2 or more

10

13

9

5

5

7

  1. All of the comparisons are statistically significant across races/ethnicities (Chi-Square p < 0.001).
  2. 1 Hispanic = 2053 Whites, 8 Blacks
  3. 2 SFBA: San Francisco Bay Area (San Francisco-Oakland & San Jose-Monterey regions), LA: Los Angeles region
  4. 3 Percent of census tract residents living below poverty level
  5. 4 Percent of persons age 25+ years with less than 12 years of education in census tract
  6. 5 Median household income in census tract
  7. 6 SES index = summation of quartiles of poverty + high school graduate + median income
  8. 7 Colorectal cancer-directed surgery with or without radiation. NC = Non-cancer directed; GT Part/LT Tot = greater than partial/less than total; Surgery, NOS = surgery, not otherwise specified
  9. 8 Any radiation = beam, implants, isotopes, or combination; unknown = refused, recommended but don't know if administered, and unknown if administered
  10. 9 Chemotherapy assessed using data from the physician supplier files
  11. 10 For stage III colon cancer, guideline treatment is receipt of surgery and chemotherapy; for stages II and III rectal cancer, guideline treatment is receipt of surgery, chemotherapy, and radiation
  12. 11 Comorbidity measured with Charlson Index using data from physician supplier and inpatient hospitalization files
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BMC Cancer

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