Parkinsonism & related disorders · 2013
Mobility, mood and site of care impact health related quality of life in Parkinson's disease.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Nutt J G, Siderowf A D, Guttman M, Schmidt P N, Zamudio J I, Wu S S, Okun M S, Simuni T, Parashos S A, Dahodwala N A, Davis T L, Giladi N, Gurevich T, Hauser R A, Jankovic J, Lyons K E, Marsh L, Miyasaki J M, Morgan J C, Santiago A J, Tarsy D, Mari Z, Malaty I A, Nelson E C, National Parkinson Foundation Quality Improvement Initiative Investigators
Аннотация
OBJECTIVE: Examine the correlates of Health Related Quality of Life (HRQL) in a large cohort of Parkinson's disease (PD) patients from National Parkinson Foundation (NPF) Centers of Excellence (COEs).
BACKGROUND: Improving outcomes for PD will depend upon uncovering disease features impacting HRQL to identify targets for intervention and variables for risk-adjustment models. Differences in HRQL outcomes between COEs could uncover modifiable aspects of care delivery.
METHODS: This cross-sectional study examined the relative contribution of demographic, social, clinical and treatment features potentially related to HRQL, as measured by the PDQ-39, in 4601 consecutive subjects from 18 COEs. Stepwise linear regression was utilized to identify correlates of HRQL.
RESULTS: The variability in the PDQ-39 summary index score correlated with H&Y stage (R(2) = 22%), Timed up and Go (TUG) (17%), disease duration (11%), comorbidities (8%), cognitive status (8%), antidepressant use (6%) and center at which a patient received care (5%). Stepwise regression reordered the importance of the variables, with the H&Y first and TUG and the center becoming equal and the second most important variables determining the PDQ-39 total score. All independent variables together accounted for 44% of the variability in HRQL.
CONCLUSIONS: We confirmed many but not all HRQL associations found in smaller studies. A novel observation was that the site of care was an important contributor to HRQL, suggesting that comparison of outcomes and processes among centers may identify best practices.
BACKGROUND: Improving outcomes for PD will depend upon uncovering disease features impacting HRQL to identify targets for intervention and variables for risk-adjustment models. Differences in HRQL outcomes between COEs could uncover modifiable aspects of care delivery.
METHODS: This cross-sectional study examined the relative contribution of demographic, social, clinical and treatment features potentially related to HRQL, as measured by the PDQ-39, in 4601 consecutive subjects from 18 COEs. Stepwise linear regression was utilized to identify correlates of HRQL.
RESULTS: The variability in the PDQ-39 summary index score correlated with H&Y stage (R(2) = 22%), Timed up and Go (TUG) (17%), disease duration (11%), comorbidities (8%), cognitive status (8%), antidepressant use (6%) and center at which a patient received care (5%). Stepwise regression reordered the importance of the variables, with the H&Y first and TUG and the center becoming equal and the second most important variables determining the PDQ-39 total score. All independent variables together accounted for 44% of the variability in HRQL.
CONCLUSIONS: We confirmed many but not all HRQL associations found in smaller studies. A novel observation was that the site of care was an important contributor to HRQL, suggesting that comparison of outcomes and processes among centers may identify best practices.