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In Reply.—Weeth's letter is the most eloquent among the dozens we have received from readers on the appropriate units for cholesterol. The campaign to teach the public to know their cholesterol number is off to a fine start. Public awareness of their cholesterol reading will, in my opinion, have an important impact on eating habits and will lead to a decrease in coronary heart disease morbidity and mortality. Despite the abundance of pocket calculators, it seems unlikely that the public would respond to a message: keep your number less than 200÷38.7!
The policy of the Archives will be to publish cholesterol levels in SI units and in the more familiar milligrams per deciliter.
DALEN JE. SI Units:-What Do Internists Think?-Reply. Arch Intern Med. 1990;150(1):221. doi:10.1001/archinte.1990.00390130177032
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