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. 2020 Sep 1;3(9):e2016445.
doi: 10.1001/jamanetworkopen.2020.16445.

Evaluation of Low-Value Diagnostic Testing for 4 Common Conditions in the Veterans Health Administration

Thomas R Radomski  1   2 , Robert Feldman  1   2 , Yan Huang  1   3 , Florentina E Sileanu  2 , Carolyn T Thorpe  2   4 , Joshua M Thorpe  2   4 , Michael J Fine  1   2 , Walid F Gellad  1   2
Affiliations

Evaluation of Low-Value Diagnostic Testing for 4 Common Conditions in the Veterans Health Administration

Thomas R Radomski et al. JAMA Netw Open. .

Abstract

Importance: Low-value care is associated with harm among patients and with wasteful health care spending but has not been well characterized in the Veterans Health Administration.

Objectives: To characterize the frequency of and variation in low-value diagnostic testing for 4 common conditions at Veterans Affairs medical centers (VAMCs) and to examine the correlation between receipt of low-value testing for each condition.

Design, setting, and participants: This retrospective cohort study used Veterans Health Administration data from 127 VAMCs from fiscal years 2014 to 2015. Data were analyzed from April 2018 to March 2020.

Exposures: Continuous enrollment in Veterans Health Administration during fiscal year 2015.

Main outcomes and measures: Receipt of low-value testing for low back pain, headache, syncope, and sinusitis. For each condition, sensitive and specific criteria were used to evaluate the overall frequency and range of low-value testing, adjusting for sociodemographic and VAMC characteristics. VAMC-level variation was calculated using median adjusted odds ratios. The Pearson correlation coefficient was used to evaluate the degree of correlation between low-value testing for each condition at the VAMC level.

Results: Among 1 022 987 veterans, the mean (SD) age was 60 (16) years, 1 008 336 (92.4%) were male, and 761 485 (69.8%) were non-Hispanic White. A total of 343 024 veterans (31.4%) were diagnosed with low back pain, 79 176 (7.3%) with headache, 23 776 (2.2%) with syncope, and 52 889 (4.8%) with sinusitis. With the sensitive criteria, overall and VAMC-level low-value testing frequency varied substantially across conditions: 4.6% (range, 2.7%-10.1%) for sinusitis, 12.8% (range, 8.6%-22.6%) for headache, 18.2% (range, 10.9%-24.6%) for low back pain, and 20.1% (range, 16.3%-27.7%) for syncope. With the specific criteria, the overall frequency of low-value testing across VAMCs was 2.4% (range, 1.3%-5.1%) for sinusitis, 8.6% (range, 6.2%-14.6%) for headache, 5.6% (range, 3.6%-7.7%) for low back pain, and 13.3% (range, 11.3%-16.8%) for syncope. The median adjusted odds ratio ranged from 1.21 for low back pain to 1.40 for sinusitis. At the VAMC level, low-value testing was most strongly correlated for syncope and headache (ρ = 0.56; P < .001) and low back pain and headache (ρ = 0.48; P < .001).

Conclusions and relevance: In this cohort study, low-value diagnostic testing was common, varied substantially across VAMCs, and was correlated between veterans' receipt of different low-value tests at the VAMC level. The findings suggest a need to address low-value diagnostic testing, even in integrated health systems, with robust utilization management practices.

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Conflict of interest statement

Conflict of Interest Disclosures: Dr Radomski reported receiving grants from the National Center for Advancing Translational Sciences, National Institutes of Health during the conduct of the study. Dr C. Thorpe reported receiving grants from National Institutes of Health during the conduct of the study. No other disclosures were reported.

Figures

Figure.
Figure.. Veterans Affairs Medical Center (VAMC)–Level Correlation Between Low-Value Diagnostic Testing Using Sensitive Criteria
See this image and copyright information in PMC

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