Accurate?: The ANA is fraught with technical difficulties, but it's also critical that you understand how nonspecific a positive ANA is, even at a fairly high titer like 1:160. Perhaps one older person in 4 has a positive ANA and it proves nothing -- the vast majority of healthy. It's only one piece of a diagnostic puzzle. Hope this helps -- if not please repost and let us know exactly what' s up.
Answered 7/16/2019
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