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[B] The following conclusions are supported by fair evidence:
Data from a systematic review and a Cochrane review, which included four RCTs, indicates that classic and MCT KDs are efficacious in the treatment of intractable epilepsy in children and adolescents. At least 38% of children treated with KD experienced greater than 50% reduction in seizures at three months. One of the four RCTs showed that classic and MCT KDs are equally effective in decreasing the mean percentage of baseline seizures