Incorrect unit: In the article by Sieber et al entitled “Sedation Depth During Spinal Anesthesia and the Development of Postoperative Delirium in Elderly Patients Undergoing Hip Fracture Repair,” which was published in the January 2010 issue of Mayo Clinic Proceedings (Mayo Clin Proc. 2010;85(1):18-26), a unit in Table 2 is incorrect. In Table 2 on page 22, under the column “Category,” the dose of midazolam should read as follows: Midazolam dose, mean ± SD (μg/kg).
