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Table 2 Characteristics of Physicians and Their Practices by Specialty

From: Physician preferences for non-metastatic castration-resistant prostate cancer treatment

Variable

All Physicians (N = 149)

Urologists (N = 75)

Oncologists (N = 74)

P value

Age, years

 Mean (SD)

51.27 (10.68)

53.91 (11.27)

48.59 (9.39)

0.004

Gender, n (%)a

 Female

15 (10.1)

3 (4.0)

12 (16.2)

0.007

 Male

132 (88.6)

72 (96.0)

60 (81.1)

 

Race, n (%)a

 White

100 (67.1)

54 (72.0)

46 (62.2)

0.474

 Black

1 (0.7)

0 (0.0)

1 (1.4)

 

 Asian

33 (22.1)

13 (17.3)

20 (27.0)

 

 Middle Eastern or North African

3 (2.0)

2 (2.7)

1 (1.4)

 

 Native Hawaiian or Other Pacific Islander

1 (0.7)

0 (0.0)

1 (1.4)

 

Ethnicity, n (%)a

 Hispanic

7 (4.7)

1 (1.3)

6 (8.1)

0.175

 Not Hispanic

133 (89.3)

69 (92.0)

64 (86.5)

 

Years in practice

 Mean (SD)

17.87 (8.45)

19.52 (8.84)

16.20 (7.75)

0.025

 Median (Q1 to Q3)

16.0 (11.0 to 25.0)

19.0 (13.0 to 26.0)

15.0 (10.0 to 21.0)

 

Practice type, n (%)

 Office-based private practice

103 (69.1)

55 (73.3)

48 (64.9)

0.291

 Hospital-based private practice

18 (12.1)

6 (8.0)

12 (16.2)

 

 Academic hospital-based

28 (18.8)

14 (18.7)

14 (18.9)

 

No. of nmCRPC patients seen/physician/month

 Mean (SD)

26.21 (32.17)

24.08 (29.21)

28.38 (34.98)

0.102

 Median (Q1 to Q3)

15.0 (5.0 to 30.0)

12.0 (5.0 to 30.0)

20.0 (6.0 to 35.0)

 

Most frequent medications prescribed to treat nmCRPC, n (%)b

 Enzalutamide

105 (70.5)

56 (74.7)

49 (66.2)

0.258

 Leuprolide

100 (67.1)

61 (81.3)

39 (52.7)

< 0.001

 Bicalutamide

70 (47.0)

38 (50.7)

32 (43.2)

0.364

 Abiraterone

62 (41.6)

23 (30.7)

39 (52.7)

0.006

 Apalutamide

49 (32.9)

28 (37.3)

21 (28.4)

0.245

 Goserelin

18 (12.1)

3 (4.0)

15 (20.3)

0.002

 Flutamide

15 (10.1)

3 (4.0)

12 (16.2)

0.015

 Nilutamide

10 (6.7)

0 (0.0)

10 (13.5)

< 0.001

 Triptorelin

6 (4.0)

3 (4.0)

3 (4.1)

> 0.999

 Ketoconazole

3 (2.0)

2 (2.7)

1 (1.4)

> 0.999

 Histrelin

1 (0.7)

1 (1.3)

0 (0.0)

> 0.999

 Others

5 (3.4)

4 (5.3)

1 (1.4)

0.367

  1. a Two (1.3%), 11 (7.4%), and 9 (6.0%) physicians declined to answer questions on gender, race, and ethnicity, respectively
  2. b Physicians were asked to select the 3 most frequent medications that they use to treat nmCRPC patients