PubMed · 7565968
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D Adler. 1995-10-26. Clinical problem-solving.. https://doi.org/10.1056/nejm199510263331719
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OBJECTIVE: To assess whether the way in which the results of a randomised controlled trial and a systematic review are presented influences health policy decisions. DESIGN: A postal questionnaire to all members of a health authority within one regional health authority. SETTING: Anglia and Oxford regional health authorities. SUBJECTS: 182 executive and non-executive members of 13 health authorities, family health services authorities, or health commissions. MAIN OUTCOME MEASURES: The average score from all health authority members in terms of their willingness to fund a mammography programme or cardiac rehabilitation programme according to four different ways of presenting the same results of research evidence--namely, as a relative risk reduction, absolute risk reduction, proportion of event free patients, or as the number of patients needed to be treated to prevent an adverse event. RESULTS: The willingness to fund either programme was significantly influenced by the way in which data were presented. Results of both programmes when expressed as relative risk reductions produced significantly higher scores when compared with other methods (P < 0.05). The difference was more extreme for mammography, for which the outcome condition is rarer. CONCLUSIONS: The method of reporting trial results has a considerable influence on the health policy decisions made by health authority members.