MAN-08723-001 Rev. 001 page 22 of 28
The rate of agreement between the Imager-assisted review result and the manual review result from
the previous table is presented below. PPA is the positive percent agreement, percent of specimens
of ASCUS+ diagnosis with Imager-assisted review by a majority of laboratory CT/Pathologists
among all specimens of ASCUS+ diagnosis with manual review by a majority of laboratory
CT/Pathologists. NPA is the negative percent agreement, percent of specimens of
<ASCUS diagnosis with Imager-assisted review by a majority of laboratory CT/Pathologists among
all specimens of <ASCUS diagnosis with manual review by a majority of laboratory
CT/Pathologists.
Table 24: Rate of CT Agreement, ASCUS+
ASCUS+
PPA
93.7% (325/347) (90.6% to 95.8%)
NPA
95.7% (472/493) (93.6% to 97.2%)
G.7 THINPREP IMAGING SYSTEM USE WITH THINPREP GENESIS PROCESSOR
A study was conducted to estimate the Positive Percent Agreement (PPA) and Negative Percent
Agreement (NPA) for Imager-assisted review as compared with manual review of specimens
processed on the ThinPrep Genesis processor.
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