The following is the least reliable source of information for diagnostic statistics:
A. Evidence-based investigations
B. Primary reports of research
C. Estimation based on a provider's experience
D. Published meta-analyses
ANS: C
Sources for diagnostic statistics include textbooks, primary reports of research, and published meta-analyses. Another source of statistics, the one that has been most widely used and available for application to the reasoning process, is the estimation based on a provider's experience, although these are rarely accurate. Over the past decade, the availability of evidence on which to base clinical reasoning is improving, and there is an increasing expectation that clinical reasoning be based on scientific evidence. Evidence-based statistics are also increasingly being used to develop resources to facilitate clinical decision-making.
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