Skip to main content

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.