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Does uptake of specialty care affect HRQoL development in COPD patients beneficially? A difference-in-difference analysis linking claims and survey data.
J. Environ. Manage. 24, 1561-1573 (2023)
BACKGROUND: There is an evidence gap on whether the choice of specialty care beneficially affects health-related quality of life (HRQoL) in patients with chronic obstructive pulmonary disease (COPD). This study analyzes how newly initiated pulmonologist care affects the generic and disease-specific HRQoL in COPD patients over a period of 1 year. METHODS: We linked claims data with data from two survey waves to investigate the longitudinal effect of specialty care on HRQoL using linear Difference-in-Difference models based on 1:3 propensity score matched data. Generic HRQoL was operationalized by EQ-5D-5L visual analog scale (VAS), and disease-specific HRQoL by COPD assessment test (CAT). Subgroup analyses examined COPD patients with low (GOLD AB) and high (GOLD CD) exacerbation risk. RESULTS: In contrast to routine care patients, pulmonologists' patients (n = 442) experienced no significant deterioration in HRQoL (VAS - 0.0, p = 0.9870; CAT + 0.5, p = 0.0804). Models unveiled a small comparative advantage of specialty care on HRQoL (mean change: CAT - 0.8, VAS + 2.9), which was especially pronounced for GOLD AB (CAT - 0.7; VAS + 3.1). CONCLUSION: The uptake of pulmonologist care had a statistically significant, but not clinically relevant, beneficial impact on the development of HRQoL by slowing down overall HRQoL deterioration within 1 year. Including specialty care more appropriately in COPD management, especially at lower disease stages (GOLD AB), could thus improve patients' health outcome.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Copd Assessment Test ; Eq-5d-5l ; Longitudinal Study ; Pulmonologist ; Real-world Evidence ; Specialty Care; Obstructive Pulmonary-disease; Quality-of-life; Lung-function; Health-status; Regression Adjustment; Propensity Score; Exacerbations; Management; Bias; Impact
ISSN (print) / ISBN
0301-4797
e-ISSN
1095-8630
Quellenangaben
Volume: 24,
Issue: 9,
Pages: 1561-1573
Publisher
Elsevier
Publishing Place
One New York Plaza, Suite 4600, New York, Ny, United States
Non-patent literature
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Reviewing status
Peer reviewed