Table 2 Prevalence and overlap of positive COVID-19 indicators in KCL CHECK (n = 1882)
| Â | One or more core COVID-19 symptoms reported | Participant thinks they have had COVID-19 | Symptom algorithm positive | KCL CHECK antibody test positive | Reports positive test result from elsewhere |
|---|---|---|---|---|---|
Overall prevalence | 770/1882, 41% | 509/1882, 27% | 298/1882, 16% | 124/1882, 7% | 39/1882, 2% |
Number and proportion of column who also have: | |||||
One or more core COVID symptoms reported | Â | 429 / 509, 84% | 298 / 298, 100% | 106 / 124, 85% | 31 / 39, 79% |
Participant thinks they have had COVID | 429 / 770, 56% | Â | 214 / 298, 72% | 101 / 124, 81% | 33 / 39, 85% |
Symptom algorithm positive | 298 / 770, 39% | 214 / 509, 42% | Â | 83 / 124, 67% | 25 / 39, 64% |
KCL -CHECK antibody test positive | 106 / 770, 14% | 101 / 509, 20% | 83 / 298, 28% | Â | 24 / 39, 62% |
Reports positive test result from elsewhere | 31 / 770, 4% | 33 / 509, 6% | 25 / 298, 8% | 24 / 124, 19% | Â |