Skip to main content

Table 1 Patient characteristics overall and by PCPs with high or low PSA ordering rates

From: Downstream tests, treatments, and annual direct payments in older men cared for by primary care providers with high or low prostate-specific antigen screening rates using 100 percent Texas U.S. Medicare public insurance claims data: a retrospective cohort study

  

N (%)

  

Characteristics

Overall

High rank PCP

Low rank PCP

p-value

Overall

46782 (100)

22853 (100)

23929 (100)

 

Any PSA testing

32697 (69.9)

18889 (82.7)

13808 (57.7)

<0.001

Any PSA testing ordered by patient’s PCP

24378 (52.1)

16403 (71.8)

7975 (33.3)

<0.001

Any PSA testing ordered by provider other than patient’s PCP

13649 (29.2)

5810 (25.4)

7839 (32.8)

<0.001

Age Years)

 75–79

22024 (47.1)

10900 (47.7)

11124 (46.5)

0.008

 80–84

14958 (32.0)

7287 (31.9)

7671 (32.1)

 

  ≥ 85

9800 (20.9)

4666 (20.4)

5134 (21.5)

 

Ethnicity

 Non-Hispanic White

38169 (81.6)

18673 (81.7)

19496 (81.5)

<0.001

 Black

1346 (2.9)

586 (2.6)

760 (3.2)

 

 Hispanic

6614 (14.1)

3209 (14.0)

3405 (14.2)

 

 Others

653 (1.4)

385 (1.7)

268 (1.1)

 

Elixhauser Comorbidity

 0

6110 (13.1)

2896 (12.7)

3214 (13.4)

0.027

 1

12846 (27.5)

6230 (27.3)

6616 (27.6)

 

 2

11988 (25.6)

5889 (25.8)

6099 (25.5)

 

 3

7098 (15.2)

3559 (15.6)

3539 (14.8)

 

  ≥ 4

8740 (18.7)

4279 (18.7)

4461 (18.6)

 

Medicaid Eligible

 Yes

4813 (10.3)

2328 (10.2)

2485 (10.4)

0.481

 No

41969 (89.7)

20525 (89.8)

21444 (89.6)

 

Urban/Rural

 Metro

34536 (73.8)

17847 (78.1)

16689 (69.7)

<0.001*

 Non-Metro

11279 (24.1)

4730 (20.7)

6549 (27.4)

 

 Rural

960 (2.1)

272 (1.2)

688 (2.9)

 

 Unknown

7 (0.0)

4 (0.0)

3 (0.0)

 

Percent of persons in zip code 25 or older with high school education or higher

 Q1: ≤ 74 %

11859 (25.3)

5514 (24.1)

6345 (26.5)

<0.001*

 Q2: 74–83 %

11503 (24.6)

5009 (21.9)

6494 (27.1)

 

 Q3: 83–90 %

11815 (25.3)

5829 (25.5)

5986 (25.0)

 

 Q4: 90–100 %

11529 (24.6)

6485 (28.4)

5044 (21.1)

 

 Unknown

76 (0.2)

16 (0.1)

60 (0.3)

 
  1. PCP primary care provider, PSA prostate specific antigen
  2. Q1 quartile 1, Q2 quartile 2, Q3 quartile 3, Q4 quartile 4
  3. p-value was calculated using chi-square test between high- and low-PSA-rate PCP groups
  4. *The unknown was excluded for chi-square test