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IL-18 and SC5b-9 for predicting neurocognitive dysfunction after cardiopulmonary bypass
Edinburgh, UK
* E-mail: peter.alston@ed.ac.uk
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Editor—Dichotomization of quantitative measures can result in loss of information about individual differences, loss of effect size and power in the case of bivariate relationships, spurious statistical significance and overestimation, and can potentially overlook non-linear relationships, or less reliable measurements.1 Unfortunately, Kumar and colleagues2 have dichotomized the
Cardiff, UK
* E-mail: arunkumar@btinternet.com