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To the Editor: We congratulate Dr Scherer and Ms Crawley¹ for the first published study to use the Consolidated Standards of Reporting Trials (CONSORT) statement as an instrument to systematically evaluate the quality of the reporting of clinical trials. However, we have some methodological concerns regarding this study.

The authors did not prospectively estimate the sample size that would have resulted in adequate power, and they fail to emphasize the low power as an important limitation, especially since the study in general failed to find significant differences in regard to its hypotheses. The authors mention that "it is possible that our sample size was insufficient to detect subtle changes in reporting," suggesting incorrectly that there was adequate power to detect meaningful changes. Power was further limited by the fact that proportions of certain potential confounders were significantly different across journals; comparisons were made separately for each journal, further lowering the . . . [Full Text of this Article]

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Reporting of Randomized Clinical Trial Descriptors and Use of Structured Abstracts
Roberta W. Scherer and Barbara Crawley
JAMA. 1998;280(3):269-272.
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