TABLE 2.
Operational characteristics of the serial rapid testing algorithma
| Status of results | No. of positive results
|
No. of negative results
|
% Sensitivity (95% CI) | % Specificity (95% CI) | PPV (95% CI) | NPV (95% CI) | Positive likelihood ratio (95% CI) | Negative likelihood ratio (95% CI) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| True | False | True | False | |||||||
| Unadjusted | 71 | 5 | 5,175 | 1 | 98.6 (91.4-99.9) | 99.90 (99.76-99.96) | 93.4 (84.7-97.6) | 99.98 (99.87-99.99) | 1,021.6 (425.2-2,454.5) | 0.014 (0.002-0.097) |
| Adjusted | 72 | 2 | 5,178 | 0 | 100 (93.7-100) | 99.96 (99.84-99.99) | 97.3 (89.7-99.5) | 100 (99.9-100) | 2,590 (647.9-10,353.2) | 0 |
a
PPV, positive predictive value; NPV, negative predictive value.