To the Editor: We apologize to the readers of JAMA for an incorrect statement that we made in our article1 on the effect of folate and mecobalamin on hip fractures in patients with stroke. We inaccurately stated that the study was performed in a single hospital (Futase Social Insurance Hospital). There were actually 3 additional collaborating hospitals, studying 205, 211, and 159 patients, respectively. The remaining 53 patients were from Futase Social Insurance Hospital, for a total of 628 patients.
Sato Y, Honda Y, Iwamoto J, Kanoko T, Satoh K. Inaccurate Description of Collaborating Hospitals in a Study of the Effect of Folate and Mecobalamin on Hip Fractures After Stroke. JAMA. 2006;296(4):396. doi:10.1001/jama.296.4.396-a
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