Mixed Random and Nonrandom Allocation, and Group Randomization Have Been Mislabeled and Misanalysed, Necessitating Reanalysis. Comment on Conner et al. KiwiC for Vitality: Results of a Randomized Placebo-Controlled Trial Testing the Effects of Kiwifruit or Vitamin C Tablets on Vitality in Adults with Low Vitamin C Levels. 2020, , 2898.

Lilian Golzarri-Arroyo, Yasaman Jamshidi-Naeini, David B Allison, Colby J Vorland, Andrew W Brown

Journal: Nutrients 2022;14(19):4062

PMID: 36235715

Abstract

We read the report by Conner and colleagues that tested whether kiwifruit or vitamin C affected measures of vitality [...].

Address: Department of Applied Health Science, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA.; Department of Epidemiology and Biostatistics, Indiana University School of Public Health-Bloomington, Bloomington, IN 47405, USA.

DOI: 10.3390/nu14194062

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MeSH Terms: Actinidia, Adult, Ascorbic Acid, Humans, Random Allocation, Randomized Controlled Trials as Topic, Tablets, Vitamins