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Article
November 14, 1977

Ankylosing Spondylitis-Reply

JAMA. 1977;238(20):2142-2143. doi:10.1001/jama.1977.03280210034007

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Abstract

In Reply.—  In our article the single sentence in question should read "B27 testing is 95% sensitive and 94% specific," as pointed out by Dr Crawford. The change does not alter the discussion or conclusion of the article, which is that the neglected clinical history, appropriately used, is the preferable initial screening procedure for ankylosing spondylitis since it is easy, inexpensive, and universally available.We consider that the use of "predictive value" as suggested by Dr Crawford is unhelpful and confusing.

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