TABLE 2.
EIA performance with samples from the Japanese populationa
| HM-CAP or HM-CAP antigen | No. of samples with the following result:
|
% Indeterminate | Sensitivity (%)b | Specificity (%)b | Accuracy (%)b | |||
|---|---|---|---|---|---|---|---|---|
| True positive | True negative | False positive | False negative | |||||
| 197SR-US | 192 | 58 | 0 | 21 | 5.9 | 90.1 (85.3-93.8) | 100.0 (93.8-100) | 92.3 (88.4-95.1) |
| 8826A-US | 213 | 56 | 0 | 11 | 2.8 | 95.1 (91.4-97.5) | 100.0 (93.6-100) | 96.1 (93.1-98.0) |
| 159A, 1-J | 220 | 54 | 2 | 8 | 1.4 | 96.5 (93.2-98.5) | 96.4 (87.7-99.6) | 96.5 (93.6-98.3) |
| 159A, 2-J | 213 | 57 | 0 | 11 | 2.4 | 95.1 (91.4-97.5) | 100.0 (93.7-100) | 96.1 (93.1-98.0) |
| 193C-J | 201 | 57 | 0 | 18 | 4.2 | 91.8 (87.3-95.1) | 100.0 (93.7-100) | 93.5 (89.9-96.1) |
| 198C-J | 219 | 54 | 3 | 5 | 2.4 | 97.8 (94.9-99.3) | 94.7 (85.4-98.9) | 97.2 (94.5-98.8) |
| 225C-J | 222 | 52 | 3 | 7 | 1.4 | 96.9 (93.8-98.8) | 94.5 (84.9-98.9) | 96.5 (93.6-98.3) |
| JHM-CAP pool | 221 | 54 | 2 | 6 | 1.7 | 97.4 (94.3-99.0) | 96.4 (87.7-99.6) | 97.2 (94.5-98.8) |
a
A total of 288 samples were tested.
b
The values for samples with indeterminate results were excluded from analysis. Values in parentheses are 95% confidence intervals.