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Old 05-13-2009, 05:44 PM   #1
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allegrina HB User
borderline cf sweat test

granddaughter had 33 on sweat test at Dartmouth. What does this mean?

 
Old 05-14-2009, 09:07 AM   #2
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Ratatosk HB UserRatatosk HB User
Re: borderline cf sweat test

It depends upon how old she is. Babies/newborns have difficulty providing an adequate sample, so sometimes there are a lot of false negatives. A 33 would be considered normal for most people -- 0-40 normal, 40-60 borderline and 60 plus is a postivie. Unfortunately, sweat tests aren't always accurate. DS had a normal 32; however, genetic testing showed CF. IMO, they should push for genetic blood testings to get an accurate result.

 
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