The children were divided into group A, with lactate levels > to 18 mg/dl 2 mmol/l n = 50, and into group B, with lactate < 18 mg/dl n = 25.
Los niños fueron divididos en grupo A, con lactatos > a 18 mg/dl 2 mmol/l n = 50, y grupo B, con < 18 mg/dl n = 25.