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Summary of comparative results of CAPTAQ and Amplicor assays
| CAPTAQ result | No. of samples with Amplicor result |
Sensitivity (95% CI) | Specificity (95% CI) | McNemar's test (P value) | Cohen's kappa (95% CI)a | ||
|---|---|---|---|---|---|---|---|
| HIV+b | HIV−c | Total | |||||
| HIV+ | 98 | 2 | 100 | 94.2% (93%, 99.8%) | 99.7% (98.2%, 99.7%) | 1.125 (0.29) | 0.88 (0.84, 0.92) |
| HIV− | 6 | 724 | 730 | ||||
| Total | 104 | 726 | 830 | ||||
95% CI derived from 10,000 ordinary bootstrap replicates.
HIV+, HIV detected.
HIV−, HIV not detected.
