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Table 4 Health services utilization among patients with SEER-based evidence of BM (M1b), stratified by presence or absence of concurrent BM according to claims-based Algorithm 3

From: Concordance between administrative claims and registry data for identifying metastasis to the bone: an exploratory analysis in prostate cancer

 

M1b Sample

Concurrent BM claims algorithm 3

No concurrent BM claims algorithm 3

p-value

 

N = 1,694

N = 813

N = 881

 

(48.0%)

(52.0%)

 

 N

Col%

 N

Col%

 N

Col%

 

Post-diagnosis resource utilization (i.e., till end of follow-up)

       

 Bone mineral density (BMD) test

71

4.2

28

3.5

43

4.9

0.14

 PSA test

1,389

82.0

640

78.7

749

85.0

<0.01

 Oncologist visit

1,041

61.5

567

69.7

474

53.8

<0.01

 Nuclear medicine specialist visit

NR

NR

NR

+

NR

-

0.10

 Radiation oncologist visit

687

40.6

369

45.4

318

36.1

<0.01

 Bone biopsy

47

2.8

NR

+

NR

-

<0.01

 Bone or joint imaging

1,406

83.0

684

84.1

722

82.0

0.23

Treatment receipt (Part B)

       

 Radiation

581

34.3

315

38.8

266

30.2

<0.01

 External beam radiation therapy

553

32.6

302

37.2

251

28.5

<0.01

 Radiopharmaceutical therapy

72

4.3

45

5.5

27

3.1

0.01

 Bisphosphonates IV

593

35.0

351

43.2

242

27.5

<0.01

 Erythropoietin

352

20.8

192

23.6

160

18.2

0.01

 Opioids (moderate-severe)

379

22.4

167

20.5

212

24.1

0.08

Resource utilization during the 90-day diagnosis period

       

 PSA test

1,046

61.8

481

59.2

565

64.1

0.04

 Bone biopsy

42

2.5

NR

+

NR

-

<0.01

 Bone or joint imaging

1317

77.7

690

84.9

627

71.2

<0.01

 

Mean

S.D.

Mean

S.D.

Mean

S.D.

p-value

Post-diagnosis resource utilization (i.e., till end of follow-up)

       

 Number of BMD tests

0.04

0.22

0.04

0.19

0.05

0.24

0.11

 Number of PSA tests

8.81

10.41

8.80

10.90

8.83

9.95

0.95

 Number of bone biopsies

0.03

0.18

0.05

0.24

0.01

0.09

<0.01

 Number of bone or joint imaging

1.73

1.61

1.70

1.56

1.75

1.66

0.51

Resource utilization during the 90-day diagnosis period

       

 Number of PSA tests

0.92

0.94

0.95

1.04

0.89

0.83

0.18

 Number of bone biopsies

0.03

0.17

0.05

0.24

0.003

0.06

<0.01

 Number of bone or joint imaging

0.79

0.44

0.87

0.41

0.72

0.47

<0.01

  1. NR, Not reported due to small sample size, per data use agreement; ‘+’ means that the column% is greater than the percentage for the full sample while ‘-‘means that the column% is smaller than the percentage for the full sample.
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BMC Medical Research Methodology

ISSN: 1471-2288

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