Dataset Information

Medical services and associated costs vary widely among surgeons treating patients with hand osteoarthritis.

ABSTRACT:

Background

There are substantial variations in medical services that are difficult to explain based on differences in pathophysiology alone. The scale of variation and the number of people affected suggest substantial potential to lower healthcare costs with the reduction of practice variation. Our study assessed practice variation across three affiliated urban sites in one city in the United States and related healthcare costs following the diagnosis of hand osteoarthritis (OA) in patients.

Questions/purposes

(1) What are the factors associated with increased costs and surgery in the first year after diagnosis of hand OA? (2) How much practice variation exists among hand surgeons in terms of the number of patient visits, use of imaging tests, use of injections, occupational therapy use, and surgery? (3) What proportion of total cost is accounted for by patients who consult with an additional provider?

Methods

Patients receiving a new diagnosis of primary hand OA between January 1, 2007, and December 31, 2011, were identified from the research database of three affiliated urban hospitals in a single city in the United States. We included 2814 patients (69%, 1929 women) treated by six hand surgeons. We recorded all visits, imaging tests, injections, occupational therapy visits, and surgical procedures in the first year after that diagnosis. Costs were extracted from the Medicare Physician Fee Schedule. Reliability of the database was assessed by manual checking of 120 patient charts (4.3% of all data); reliability was determined to be 94% (113 of 120) for diagnoses, 97% (116 of 120) correct surgeon, 100% (120 of 120) second surgeon, 99% (278 of 282) visits, 99% (132 of 134) imaging procedures, 92% (11 of 12) injections, 95% (21 of 22) surgical procedures, and 85% (102 of 120) prescribing occupational therapy.

Results

Predictors of increased costs included younger patient age (regression coefficient [?] -3.5, semipartial R(2) 0.0049, 95% confidence interval [CI] -5.4 to -1.7, p < 0.001), seeing a second surgeon (? 283, semipartial R(2) 0.0095, 95% CI 176-391, p < 0.001), and specific surgeons (surgeon 1: ? -243, semipartial R(2) 0.026, 95% CI -298 to -188, p < 0.001; surgeon 2: ? -177, semipartial R(2) 0.0090, 95% CI -246 to -109, p < 0.001; surgeon 6: ? 124, semipartial R(2) 0.0050, 95% CI 59-189, p < 0.001) (adjusted R(2) = 0.056). Similarly, factors associated with increased surgical intervention included younger patient age (? -0.0026, semipartial R(2) 0.0071, 95% CI -0.0037 to -0.0015, p < 0.001), male sex (? 0.041, semipartial R(2) 0.0028, 95% CI -0.069 to -0.012, p = 0.005), seeing a second surgeon (? 0.16, semipartial R(2) 0.0091, 95% CI 0.094-0.22, p < 0.001), and specific surgeons (surgeon 1: ? -0.14, semipartial R(2) 0.026, 95% CI -0.18 to -0.11, p < 0.001; surgeon 2: ? -0.13, semipartial R(2) 0.014, 95% CI -0.17 to -0.091, p < 0.001). There were large variations in the average number of visits (1.5-fold), imaging tests (threefold), use of injections (51-fold), occupational therapy (twofold), and surgery rates (sevenfold) among providers. One hundred twenty patients (4.3%) consulted a second surgeon within the first year after receiving the diagnosis of hand OA, which accounted for 8.1% (USD 68,826/USD 845,304) of the total costs.

Conclusions

Patients who saw additional providers and who were of younger age incurred higher costs and a greater likelihood of undergoing surgery; the latter was also greater in male patients. Use of medical services and associated costs vary widely among providers treating patients with hand OA. Initiatives addressing practice variation-increased use of decision aids, for example-merit additional study.

Level of evidence

Level III, prognostic study. See the Instructions for Authors for a complete description of levels of evidence.

SUBMITTER: Becker SJ

PROVIDER: S-EPMC4317453 | biostudies-literature | 2015 Mar

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Medical services and associated costs vary widely among surgeons treating patients with hand osteoarthritis.

Becker Stéphanie J E SJ Teunis Teun T Blauth Johann J Kortlever Joost T P JT Dyer George S M GS Ring David D

Clinical orthopaedics and related research 20140830 3

<h4>Background</h4>There are substantial variations in medical services that are difficult to explain based on differences in pathophysiology alone. The scale of variation and the number of people affected suggest substantial potential to lower healthcare costs with the reduction of practice variation. Our study assessed practice variation across three affiliated urban sites in one city in the United States and related healthcare costs following the diagnosis of hand osteoarthritis (OA) in patie ...[more]

PMID: 25171936

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Dataset Information

Medical services and associated costs vary widely among surgeons treating patients with hand osteoarthritis.

Background

Questions/purposes

Methods

Results

Conclusions

Level of evidence

Publications

Medical services and associated costs vary widely among surgeons treating patients with hand osteoarthritis.

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