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BACKGROUND Decision aids prepare people to participate in decisions that involve weighing benefits, harms, and scientific uncertainty. OBJECTIVES To evaluate the effectiveness of decision aids for people facing treatment or screening decisions. SEARCH STRATEGY For this update, we searched from January 2006 to December 2009 in MEDLINE (Ovid); Cochrane(More)
OBJECTIVE To conduct a systematic review of randomised trials of patient decision aids in improving decision making and outcomes. DESIGN We included randomised trials of interventions providing structured, detailed, and specific information on treatment or screening options and outcomes to aid decision making. Two reviewers independently screened and(More)
The purpose of this study was to explore O'Connor's four factors contributing to mothers' uncertainty concerning gastrostomy tube (G-tube) insertion in their children (lack of information; unclear value trade-offs; lack of support; social pressure) in a substitute decision-making context. Fifty mothers participated in one semi-structured interview at the(More)
OBJECTIVE To develop a set of quality criteria for patient decision support technologies (decision aids). DESIGN AND SETTING Two stage web based Delphi process using online rating process to enable international collaboration. PARTICIPANTS Individuals from four stakeholder groups (researchers, practitioners, patients, policy makers) representing 14(More)
Shared decision making is the process of interacting with patients in arriving at informed values-based choices when options have features that patients value differently. Patient decision aids (PtDAs) are evidence-based tools designed to facilitate that process. Numerous randomized trials indicate that PtDAs improve decision quality and prevent overuse of(More)
The purpose of this study was to examine attitudes toward the duration of survival in different health states. Health professionals were asked to consider hypothetical situations in which a specified period of time would be spent in a defined health state. Preferences for these different situations were assessed using two methods--a Preference Questionnaire(More)
The standard gamble, derived from decision theory, is considered a criterion method for obtaining patients' values for different health states. In this method, a rater's value for a health state is obtained by determining, in a hypothetical setting, his readiness to remain in that state or take a risky choice with different outcomes of known value.(More)
PURPOSE The purpose of this study was to measure the degree to which informed women chose mastectomy, and to reveal their reasons for this choice. PATIENTS AND METHODS This was a prospective cohort study of patients radiographically and pathologically eligible for either mastectomy or breast-conserving surgery (BCS; n = 125). Participants completed(More)
In health status index construction quantitative values for different states of health are frequently obtained by presenting written descriptions to raters whose values are elicited using one or more methods. In this study the authors examined the influence of several aspects of this measurement process upon the quantitative results obtained. They prepared(More)
The purpose of this study was to describe the life-sustaining treatment preferences of dialysis patients and to compare the acceptability of two generic and a disease-specific advance directive (AD). Of 532 potentially eligible hemodialysis patients, 95 (17.9%) participated in the study. These patients completed two generic (the Centre for Bioethics Living(More)