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Table 1 Estimated rapid-test sensitivity during three periods of observation

From: The failure of routine rapid HIV testing: a case study of improving low sensitivity in the field

Test Used at Clinic Total testing at clinic Total Testing Positive at Clinic Eligible Participants Enrolled in Study (%) Established HIV infections detected by PCR/ELISA Observed Testing Sensitivity (95% CI)
Test Brand 1 69 11 82.7% 5 68.7% (41.3%-89.0%)
Test Brand 2
(before quality improvement measures)
759 87 65.9% 6 93.5% (86.5%-97.6%)
Test Brand 2
(following quality improvement measures)
349 39 80.2% 2 95.1% (83.5%-99.4%)