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—In the article entitled "Atrial Natriuretic Peptide Levels in the Prediction of Congestive Heart Failure Risk in Frail Elderly," published in the May 20,1992, issue of The Journal (1992;267:2625-2629), a systematic error was made in converting atrial natriuretic peptide values from picograms per milliliter to picomoles per liter (the Système International [SI] unit). The levels that appear throughout the article should be divided by 9.5 to obtain the correct values.
SI Conversion Error.. JAMA. 1993;269(8):991. doi:10.1001/jama.1993.03500080039027