Table 2.
Asymptomatic | Higher COVID-19 risk* | Total sample | |
---|---|---|---|
N | 2288 | 255 | 2543 |
Cases (incidence) | 15 (0·66) | 34(13·33) | 49 (1·93) |
Sensitivity% (IC95%) | 53·33 (26·59–78·73) | 79·41 (62·10–91·30) | 71·43 (56·74–83·42) |
Specificity% (IC95%) | 99·69 (99·37–99·88) | 99·55 (97·50–99·99) | 99·68 (99·37–99·86) |
Positive predictive value% (CI95%) | 53·33 (26·59–78·73) | 96·43 (81·65–99·91) | 81·40 (66·60–91·61) |
Negative predictive value% (CI95%) | 99·69 (99·37–99·88) | 96·91 (93·74–98·75) | 99·44 (99·06–99·69) |
*Including participant with non-specific mild symptoms and close contacts.