Table 3.
Comparison of Amplivue results compared to individual comparator methods of wet preparation, culture, and Aptima TV.
Saline Microscopy (wet mount) | TV culture (InPouch™) | Aptima TV (ATV) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
% | # positive/ # total |
95% CI | % | # positive/ # total |
95% CI | % | # positive/ # total |
95% CI | ||||
Sensitivity | 100 | (65/65) | 94.4 | 100 | 100 | (120/120) | 96.9 | 100 | 90.7 | (127/140) | 84.8 | 94.5 |
Specificity | 92.3 | (854/925) | 90.4 | 93.9 | 98.2 | (854/870) | 97 | 98.9 | 98.9 | (841/850) | 98.0 | 99.4 |
PPV | 47.8 | (65/135) | 39.6 | 56.1 | 88.2 | (120/136) | 81.7 | 92.6 | 93.4 | (127/136) | 87.9 | 96.5 |
NPV | 100 | (854/854) | 99.6 | 100 | 100 | (854/854) | 99.6 | 100 | 98.5 | (841/854) | 97.4 | 99.1 |
% agreement |
92.8 | (919/990) | 91.1 | 94.3 | 98.4 | (974/990) | 97.4 | 99.0 | 97.8 | (968/990) | 96.7 | 98.5 |
Cohen's Kappa |
61.2 | 92.8 | 90.7 |