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- Article] Estimating preference scores in conventional and home nocturnal hemodialysis patients
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DocNo of ILP: 4277
Doc. Type: Article
Title: Estimating preference scores in conventional and home nocturnal hemodialysis patients
Authors: McFarlane, PA; Pierratos, A; Bayoumi, AM; Redelmeier, DA
Full Name of Authors: McFarlane, Philip A.; Pierratos, Andreas; Bayoumi, Ahmed M.; Redelmeier, Donald A.
Keywords by Author:
Keywords Plus: QUALITY-OF-LIFE; TIME TRADE-OFF; WILLINGNESS-TO-PAY; HEALTH STATE UTILITIES; STANDARD GAMBLE; COST-UTILITY; CONTINGENT VALUATION; RATING-SCALE; PERCEPTIONS; CLINICIAN
Abstract: Previous studies have reported higher quality of life in patients who receive home nocturnal hemodialysis (HNHD) than conventional in-center hemodialysis (IHD). The optimal method for eliciting preferences from dialysis patients remains undefined, and there may be unique methodologic concerns in this population. Patients' preferences for IHD (n=20) and HNHD (n=24) were studied using the standard gamble (SG), time trade-off (TTO), and modified willingness to pay (WTP) methods. This report describes experience with operationalizing these three techniques in this population. A higher preference for HNHD was found with all measures, with significant differences observed with the SG (HNHD: median 0.79 [interquartile range (IQR) 0.67 to 0.95]; IHD: median 0.60 [IQR 0.20 to 0.82]; P=0.031) and WTP (HNHD: median 0.50 [IQR 0.40 to 0.68]; IHD: median 0.20 [IQR 0.20 to 0.38]; P<0.001). SG and TTO scores were moderately correlated but not with WTP. In addition, qualitative issues arose during TTO and WTP interviews that seemed to influence the interpretation of these preference scores. In the TTO, time willing to trade became oriented toward the next pivotal life event, with a failure of the requirement for a constant proportional time trade-off. WTP preferences were oriented toward the smallest survival stipend. These issues represent range restriction biases. No significant issues arose during the SG interviews. HNHD patients expressed a greater preference for current health than IHD patients. The operational performance of SG was good in this study, whereas biases and methodologic concerns were identified with the TTO and WTP in this population.
Cate of OECD: Clinical medicine
Year of Publication: 2007
Business Area: gamble
Detail Business: gamble
Country: USA
Study Area:
Name of Journal: CLINICAL JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY
Language: English
Country of Authors: St Michaels Hosp, Dept Med, Inner City Hlth Res Unit, Toronto, ON M5C 2T2, Canada; Humber River Reg Hosp, Toronto, ON, Canada; Sunnybrook Womens Coll Hlth Sci Ctr, Dept Clin Epidemiol, Canada Res Chair Med Decis Sci, Toronto, ON, Canada
Press Adress: McFarlane, PA (reprint author), St Michaels Hosp, Dept Med, Inner City Hlth Res Unit, 61 Queen St E,9th Floor, Toronto, ON M5C 2T2, Canada.
Email Address: phil.mcfarlane@utoronto.ca
Citaion:
Funding:
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Number of Citaion: 46
Publication: AMERICAN SOCIETY NEPHROLOGY
City of Publication: WASHINGTON
Address of Publication: 1725 I ST, NW STE 510, WASHINGTON, DC 20006 USA
ISSN: 1555-905X
29-Character Source Abbreviation: CLIN J AM SOC NEPHRO
ISO Source Abbreviation: Clin. J. Am. Soc. Nephrol.
Volume: 2
Version: 3
Start of File: 477
End of File: 483
DOI: 10.2215/CJN.03941106
Number of Pages: 7
Web of Science Category: Urology & Nephrology
Subject Category: Urology & Nephrology
Document Delivery Number: 161XB
Unique Article Identifier: WOS:000246049100013
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