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Table 1 Patient and tumor characteristics by type of initial radiation treatment

From: Type and dose of radiotherapy used for initial treatment of non-metastatic prostate cancer

Characteristics

Total (%)*

Patients (n)

BT alone (%)

EBRT alone (%)

EBRT+BT (%)

Others§(%)

Total

100.0

8946 (3153)

26.1

54.9

17.6

1.4

States (p < 0.0001)

      

  A

22.6

2025 (502)

20.9

67.1

8.3

3.7

  B

22.7

2028 (906)

21.2

43.9

34.1

0.8

  C

6.9

618 (174)

30.4

59.1

9.9

0.6

  D

10.0

892 (586)

30.8

50.8

16.2

2.2

  E

8.7

776 (251)

25.7

53.0

21.3

0.0

  F

19.4

1739 (433)

26.7

57.4

15.9

0.0

  G

9.7

868 (301)

40.3

49.8

8.1

1.8

Age (y) (p < 0.0001)

      

  20–59

14.7

1316 (499)

27.8

43.5

27.4

1.3

  60–69

37.7

3375 (1251)

29.5

49.4

20.1

1.0

  70+

47.6

4255 (1403)

22.8

62.7

12.7

1.8

Race (p < 0.0001)

      

  White, non-Hispanic

72.4

6478 (1805)

28.4

52.1

18.4

1.1

  Black, non-Hispanic

19.4

1737 (1002)

20.1

61.0

18.1

0.8

  Hispanic

5.6

497 (195)

19.7

65.4

7.0

7.9

  Asians/others

2.6

234 (151)

18.8

63.1

16.1

2.0

Marital status (p = 0.2000)

      

Single

22.6

1949 (730)

24.0

58.2

16.9

0.9

  Married

77.4

6680 (2317)

27.0

53.2

18.3

1.5

Education§ (p < 0.0001)

      

  Not undereducated

64.5

5751 (1787)

29.0

51.0

18.7

1.3

  Undereducated

35.5

3166 (1357)

21.0

61.7

15.6

1.7

Working class (p = 0.0075)

      

  Not working class

43.7

3893 (1203)

28.2

50.5

19.8

1.5

  Working class

56.3

5025 (1941)

24.5

58.2

15.9

1.4

Urbanization (p = 0.3671)

      

  Urban

48.5

4324 (1468)

26.4

54.7

17.2

1.7

  Rural

15.4

1372 (525)

23.6

59.7

15.8

0.9

  Urban-Rural mix

36.1

3221 (1151)

26.8

52.9

18.9

1.4

Poverty level (p = 0.0013)

      

  Not in poverty level

81.1

7233 (2317)

27.1

53.2

18.4

1.3

  In poverty level

18.9

1685 (827)

21.7

61.9

14.4

2.0

Health insurance (p = 0.0010)

      

  Not insured

1.3

111 (50)

11.8

71.2

12.3

4.7

  Public coverage

64.2

5535 (2009)

25.1

57.6

16.4

0.9

  Private coverage

30.8

2660 (857)

27.8

48.4

21.5

2.3

  Insurance, NOS

3.7

319 (131)

27.0

46.9

23.9

2.2

Piccirillo comorbidity score (p = 0.2893)

      

  None

28.8

2515 (860)

29.0

51.6

17.7

1.7

  Mild

55.2

4816 (1720)

26.5

53.7

18.6

1.2

  Moderate

12.2

1060 (390)

21.2

62.1

15.6

1.1

  Severe

3.8

327 (111)

22.1

56.8

18.9

2.2

PSA (ng/ml) (p < 0.0001)

      

  <10

72.1

6360 (2199)

32.7

47.9

18.3

1.1

  10–20

18.4

1620 (574)

10.2

69.8

18.0

2.0

  >20

9.5

841 (329)

5.8

78.3

13.9

2.0

TNM Clinical T stage (p < 0.0001)

      

  Tx-T0

0.5

49 (18)

9.2

84.8

3.7

2.3

  T1

64.8

5793 (2064)

31.3

51.5

16.2

1.0

  T2

31.7

2832 (978)

18.2

58.9

21.0

1.9

  T3-T4

3.0

268 (92)

0.0

80.1

16.0

3.9

Gleason score (p < 0.0001)

      

  2–6

56.6

5020 (1732)

37.5

46.4

14.7

1.4

  7

31.9

2836 (1020)

13.0

62.8

22.9

1.3

  8-10

11.5

1023 (375)

3.9

75.4

18.6

2.1

Recurrence risk group (p < 0.0001)

      

  LR

41.2

3684 (1257)

45.2

39.9

13.8

1.1

  IR

40.1

3583 (1261)

16.1

60.0

22.5

1.4

  HR

18.8

1680 (635)

5.2

76.8

15.7

2.3

  1. BT, brachytherapy; EBRT, external beam radiation therapy; LR, low risk group; IR, intermediate risk group; HR, high/very high risk group.
  2. (*) Column percentages based on weighted number of patients.
  3. (†) Weighted number of patients, with unweighted number in parentheses.
  4. (‡) Row percentages based on weighted number of patients.
  5. (§) Included those with no RT, had RT but with unknown modality, and unknown if they had RT.
  6. (¶) p-values (Chi-square test to measure of association between RT treatment and each of socio-demographic/clinical variables).