Erratum for “Biases in Randomized Trials: A Conversation Between Trialists and Epidemiologists.”
Figure 4c in our recent Epidemiology paper1 is a repetition of Figure 4b and is incorrect. As explained in the text, Z is a common cause of A and C in the corrected Figure 4c; the correct Figure appears here.
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1. Mansournia MA, Higgins JP, Sterne JA, Hernán MA. Biases in Randomized Trials: A Conversation Between Trialists and Epidemiologists. Epidemiology. 2017;28(1):5459.