TABLE 1.
Agreement between ACOV and IDNCOV
| Site | Total no. of samples tested | No. of samples with the following resulta
: |
% Positivity | Positive agreement (95% CI) | Negative agreement (95% CI) | Performance agreement (kappa) (95% CI) | |||
|---|---|---|---|---|---|---|---|---|---|
| A+/IND+ | A+/IND− | A−/IND+ | A−/IND− | ||||||
| IMCC A | 208 | 33 | 13 | 1 | 161 | 22 | 71.74 (56.32, 83.54) | 99.38 (96.09, 99.97) | 0.783 (0.779, 0.788) |
| IMCC B | 125 | 39 | 17 | 0 | 69 | 44 | 69.64 (55.74, 80.84) | 100.0 (93.43, 100.0) | 0.711 (0.706, 0.717) |
| ED 1 | 105 | 26 | 11 | 0 | 68 | 35 | 70.27 (52.83, 83.56) | 100.0 (93.33, 100.0) | 0.751 (0.744, 0.757) |
| ED 2 | 31 | 12 | 3 | 0 | 16 | 50 | 80.0 (51.37, 94.69) | 100 (75.92, 100.0) | 0.803 (0.792, 0.814) |
| ED 3 | 55 | 29 | 3 | 1 | 22 | 60 | 90.63 (73.83, 97.55) | 95.65 (76.03, 99.77) | 0.852 (0.844, 0.861) |
| Total | 524 | 139 | 47 | 2 | 336 | 35 | 74.73 (67.74, 80.67) | 99.41 (97.64, 99.89) | |
a
Positive (+) and negative (−) results by ACOV (A) and IDNCOV (IND) are shown.