I would like to thank the authors of the paper entitled “Recovery of consciousness after epileptic seizures in children” for their hard work trying to answer a very important and practical question facing clinicians treating a postictal child.¹ However, I would like to raise some concerns regarding their analysis using the linear regression model they described, which might have affected their findings and thus their recommendations.

First, the two explanatory variables in the model, “duration of seizure” and “use of emergency drugs”, may not be truly independent, thereby …