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Comment
. 2022 May;71(5):1038-1039.
doi: 10.1136/gutjnl-2021-324936. Epub 2021 Jul 14.

Incorrectly analysing stratified and minimised trials may lead to wrongfully rejecting superiority of interventions

Affiliations
Comment

Incorrectly analysing stratified and minimised trials may lead to wrongfully rejecting superiority of interventions

Reinier Cornelis Anthonius van Linschoten et al. Gut. 2022 May.
No abstract available

Keywords: biostatistics; clinical trials; statistics.

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Conflict of interest statement

Competing interests: RCAvL has nothing to disclose. DvN reports grants from AbbVie, Falk, Ferring, Janssen, MSD, Pfizer, and Takeda and personal fees from Janssen and Takeda outside the submitted work. RW reports grants from AbbVie, Falk, Ferring, Janssen, MSD, Pfizer, and Takeda and personal fees from AbbVie, Janssen and Pfizer outside the submitted work. NvL Leeuwen has nothing to disclose.

Comment on

References

    1. Yoshida N, Doyama H, Yano T, et al. . Early gastric cancer detection in high-risk patients: a multicentre randomised controlled trial on the effect of second-generation narrow band imaging. Gut 2021;70:67–75. 10.1136/gutjnl-2019-319631 - DOI - PMC - PubMed
    1. Treasure T, MacRae KD. Minimisation: the platinum standard for trials? BMJ 1998;317:362–3. 10.1136/bmj.317.7155.362 - DOI - PMC - PubMed
    1. Altman DG, Bland JM. Treatment allocation by minimisation. BMJ 2005;330:843. 10.1136/bmj.330.7495.843 - DOI - PMC - PubMed
    1. Scott NW, McPherson GC, Ramsay CR, et al. . The method of minimization for allocation to clinical trials. A review. Control Clin Trials 2002;23:662–74. 10.1016/S0197-2456(02)00242-8 - DOI - PubMed
    1. Kahan BC, Morris TP. Improper analysis of trials randomised using stratified blocks or minimisation. Stat Med 2012;31:328–40. 10.1002/sim.4431 - DOI - PubMed