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Kenneth Yew asked: > Has anyone seen an estimate of how many people worldwide have had some sort > of formal instruction in critical appraisal and/or EBHC per year or some > other time period? If not would someone care to hazard an educated guess? ... which makes me think has anyone calculated NNTe (= number needed to teach) to prevent an adverse events? E.G. NNTe for critical appraisal, or any other of the basic skills of EBP Regards Alan Alan O'Rourke Lecturer Wisdom Centre for Network Learning http://wisdomnet.co.uk/index.html Institute of General Practice Community Sciences Centre Northern General Hospital Sheffield S5 7AU Tel: 0114 271 5095 Fax: 0114 243 3762 E-mail: [log in to unmask]