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Chances of a false positive?

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Old 08-27-2012, 08:56 PM   #1
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Chances of a false positive?

Hi All,

I'm getting the blood tests for Sjogren's tomorrow.

I understand that there is a significant chance of a false negative, but what are the chances of a false positive for the normal set of tests? (ANA, SS-A, SS-B, whatever else they normally check for.)


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Old 08-27-2012, 11:35 PM   #2
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Re: Chances of a false positive?

Not likely to have false positives on the SSA and SSB, but false negatives are very common.

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