Skip to main content
. Author manuscript; available in PMC: 2012 Jan 18.
Published in final edited form as: Ann Intern Med. 2008 Aug 5;149(3):153–160. doi: 10.7326/0003-4819-149-3-200808050-00003

Table 4.

Results of Sensitivity Analyses on the OraQuick Test*

Performance Characteristic Number of False-Negative Results
0 1 10
Unconfirmed cases excluded (base case)
 Sensitivity, % 100.0 83.3 33.3
 Specificity, % 96.9 96.9 96.9
 Positive likelihood ratio 32.2 26.8 10.6
Unconfirmed cases included as non-HIV-infected persons
 Sensitivity, % 100.0 83.3 33.3
 Specificity, % 96.0 96.0 95.9
 Positive likelihood ratio 24.8 20.7 8.2
Unconfirmed cases included as HIV-infected persons
 Sensitivity, % 100.0 92.9 56.5
 Specificity, % 96.9 96.9 96.9
 Positive likelihood ratio 32.2 29.8 18.0
*

OraSure Technologies, Bethlehem, Pennsylvania.