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Table 1 Patient Characteristics

From: Temporal and geographic variation in the systemic treatment of advanced prostate cancer

 

n = 4275

N = 295,525

Variable

Mean ± SD/Count (%)

Mean ± SD/Count (%)

Age

73.7 ± 9.2

71.1 ± 9.8

Race

 White

3001 (70.2)

208,702 (70.6)

 Black

553 (12.9)

33,282 (11.3)

 Hispanic

324 (7.6)

23,328 (7.9)

 Asian

84 (2.0)

6144 (2.1)

 Unknown

313 (7.3)

24,069 (8.1)

Education level

 Less than 12th grade

32 (0.7)

1681 (0.6)

 High school diploma

1223 (28.6)

82,070 (27.8)

 Less than bachelor degree

2238 (52.4)

153,094 (51.8)

 Bachelor degree plus

599 (14.0)

42,997 (14.5)

 Unknown

183 (4.3)

15,683 (5.3)

Household income range

  < 50 k

1544 (36.1)

93,629 (31.7)

 50 k-99 k

1312 (30.7)

90,934 (30.8)

  > 100 k

837 (19.6)

70,373 (23.8)

 Unknown

582 (13.6)

40,589 (13.7)

Geographic Region*

 New England

203 (4.7)

15,488 (5.2)

 Middle Atlantic

299 (7.0)

25,371 (8.6)

 South Atlantic

950 (22.2)

71,420 (24.2)

 East North Central

567 (13.3)

38,633 (13.1)

 East South Central

131 (3.1)

9677 (3.3)

 West North Central

448 (10.5)

27,567 (9.3)

 West South Central

421 (9.8)

27,438 (9.3)

 Mountain

441 (10.3)

27,673 (9.4)

 Pacific

628 (14.7)

35,722 (12.1)

 Unknown

187 (4.4)

16,536 (5.6)

Product

 HMO

2079 (48.6)

121,353 (41.1)

 PPO

547 (12.8)

39,180 (13.3)

 Other

1649 (38.6)

134,955 (45.7)

 Unknown

0 (0.0)

37 (0.0)

Metastatic

 Yes

3446 (80.6)

17,802 (6.0)

 No

829 (19.4)

277,723 (94.0)

  1. SD, standard deviation; k, one thousand dollars; HMO, health maintenance organization; PPO, preferred provider organization; ASO, administrative services only (self-funded health plan)
  2. *States within each geographic region:
  3. • New England: Connecticut, Maine, New Hampshire, Rhode Island, Vermont, Massachusetts
  4. • Middle Atlantic: New Jersey, New York, Pennsylvania
  5. • South Atlantic: Delaware, Washington D.C., Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia
  6. • East North Central: Illinois, Indiana, Michigan, Ohio, Wisconsin
  7. • East South Central: Alabama, Kentucky, Mississippi, Tennessee
  8. • West North Central: Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota
  9. • West South Central: Arkansas, Louisiana, Oklahoma, Texas
  10. • Mountain: Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming
  11. • Pacific: Alaska, California, Hawaii, Oregon, Washington
  12. Study cohort (n = 4275) and all patients with prostate cancer (N = 295,525) over the study period. Baseline characteristics for the study cohort were observed at time of initiation of first-line therapy. Baseline characteristics for the cohort of all patients with prostate cancer were observed at time of first medical claim for prostate cancer during the study period. Patients were classified as metastatic if a medical claim with ICD-9 codes 196.x, 197.x, 198.x, 198.80, 198.81, 198.82, and 198.89 were observed at any point during follow up