To the Editor Dr Murray and colleagues1 reported that randomized clinical trials (RCTs) supportive of the authors’ main hypotheses were no more likely to be cited, viewed, or discussed than those not supportive of main hypotheses, ostensibly providing reassurance that null findings are of equal public and scientific interest as positive findings.1 However, key confounders were not considered.
Cristea IA, Gentili C. Publication Bias in Trials With and Without Null Findings. JAMA. 2019;322(12):1213–1214. doi:10.1001/jama.2019.11140
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