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Date: | Thu, 13 Feb 2003 12:12:38 -0500 |
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<<<> Valerie mentions that 50% of tests showing a baby to have been infected at
> one month are false-positives. I wonder if she really means
> false-*negatives*.
Dear Friends:
Well, if 50% are false-positive, then the other 50% would be false
negative, no?>>>
No ... if half the POSITIVE results are "false-positives," that would make the
other half "true-positives," not "false-negatives." In this statement, there is
an unknown percentage of tests which are reported as NEGATIVE, most of which are
hopefully "true-negatives," but some unknown percentage that could be
"false-negatives."
Sandra McMillan, RD
Saint Eugene Medical Center
Dillon SC
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