Michael R. Sandberg, MD
To the editor: I would like to correct the units of measurement in my letter (1) on dementia and hypoxia. The results of overnight oximetry showed an oxygen saturation of between 70% and 79% (not mm Hg) during sleep. These results would correspond to a PO2 of between 30 and 40 mm Hg.
Sandberg MR. Correction: Values for Oxygen Saturation. Ann Intern Med. ;110:328. doi: 10.7326/0003-4819-110-4-328_1
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Published: Ann Intern Med. 1989;110(4):328.
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