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- Anthony K Akobeng.
- Sidra Medical and Research Centre, Doha, Qatar.
- Acta Paediatr. 2016 Jun 1; 105 (6): 605-9.
UnlabelledThe results of a clinical trial may be subject to random error because of the variability in the measured data, which arises purely by chance. There are two types of random error - type I error and type II error. In this study, type I and type II errors are explained, and the important concepts of statistical power and sample size estimation are discussed.ConclusionThe most important way of minimising random errors is to ensure adequate sample size; that is, a sufficient large number of patients should be recruited for the study.©2016 Foundation Acta Paediatrica. Published by John Wiley & Sons Ltd.
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