Nerve conduction studies in diabetic neuropathy

To the Editor: The article by Chaudhry et al [1] addresses the reliability of nerve conduction studies (NCS) in patients with diabetic neuropathy. Perhaps the authors would consider providing additional information regarding the coefficient of variation, the standard deviation/mean, of their findings. Unlike ANOVA, the coefficient of variation can be readily understood by nonstatisticians and easily performed. It describes reliability in absolute numbers suitable …