Table 3.
The accuracy of the model to distinguish severity group 2a or over from severity group 1 in the cases of breakthrough infection.
| A. Clinical data alone | |||||
|---|---|---|---|---|---|
| Day | True Severity | Estimated S1 (n) | estimate S2a, 2b, 3 (n) | Error Rate | Accuracy |
| day 4-7 | S1 (n) | 3 | 2 | 0.40 | 0.78 |
| S2a, 2b, 3 (n) | 0 | 4 | 0.00 | ||
| day 5-8 | S1 (n) | 3 | 1 | 0.25 | 0.90 |
| S2a, 2b, 3 (n) | 0 | 6 | 0.00 | ||
| day 6-9 | S1 (n) | 1 | 2 | 0.33 | 0.78 |
| S2a, 2b, 3 (n) | 0 | 6 | 0.00 | ||
| day 7-10 | S1 (n) | 1 | 2 | 0.67 | 0.75 |
| S2a, 2b, 3 (n) | 0 | 5 | 0.00 | ||
| day 8-11 | S1 (n) | 1 | 3 | 0.75 | 0.63 |
| S2a, 2b, 3 (n) | 1 | 6 | 0.14 | ||
| day 9-12 | S1 (n) | 1 | 3 | 0.75 | 0.60 |
| S2a, 2b, 3 (n) | 1 | 5 | 0.17 | ||
| B. Clinical data + antibody data | |||||
| Day | True Severity | Estimated S1 (n) | Estimate S2a, 2b, 3 (n) | Error Rate (%) | Accuracy |
| day 4-7 | S1 (n) | 4 | 1 | 0.20 | 0.89 |
| S2a, 2b, 3 (n) | 0 | 4 | 0.00 | ||
| day 5-8 | S1 (n) | 3 | 1 | 0.25 | 0.90 |
| S2a, 2b, 3 (n) | 0 | 6 | 0.00 | ||
| day 6-9 | S1 (n) | 0 | 3 | 1.00 | 0.67 |
| S2a, 2b, 3 (n) | 0 | 6 | 0.00 | ||
| day 7-10 | S1 (n) | 0 | 3 | 1.00 | 0.63 |
| S2a, 2b, 3 (n) | 0 | 5 | 0.00 | ||
| day 8-11 | S1 (n) | 0 | 4 | 1.00 | 0.64 |
| S2a, 2b, 3 (n) | 0 | 7 | 0.00 | ||
| day 9-12 | S1 (n) | 0 | 4 | 1.00 | 0.60 |
| S2a, 2b, 3 (n) | 0 | 6 | 0.00 | ||