TABLE 3.
PHSL results in relation to in-house WNV IgM ELISA index values
| Sample | In-house index | No. (%a) of specimens
|
|||||
|---|---|---|---|---|---|---|---|
| PHSL WNV IgM ELISA result
|
PHSL WNV PRNT result
|
||||||
| Negative | Positive | Total | Negative | Positive | Total | ||
| Serum | 2.0-2.99 | 9 | 70 (89) | 79 | 1 | 12 (92) | 13 |
| 3.0-3.99 | 6 | 98 (94) | 104 | 1 | 31 (97) | 32 | |
| 4.0-4.99 | 4 | 127 (97) | 131 | 1 | 32 (97) | 33 | |
| 5.0-5.99 | 2 | 91 (98) | 93 | 0 | 14 (100) | 14 | |
| 6.0-6.99 | 0 | 66 (100) | 66 | 0 | 15 (100) | 15 | |
| ≥7.0 | 0 | 110 (100) | 110 | 1 | 14 (93) | 15 | |
| Serum total | 21 | 562 (96) | 583 | 4 | 118 (97) | 122 | |
| CSF | 2.0-2.99 | 0 | 8 (100) | 8 | 0 | 2 (100) | 2 |
| 3.0-3.99 | 0 | 8 (100) | 8 | 1 | 1 (50) | 2 | |
| 4.0-4.99 | 0 | 9 (100) | 9 | 0 | 0 | 0 | |
| 5.0-5.99 | 0 | 8 (100) | 8 | 0 | 0 | 0 | |
| 6.0-6.99 | 0 | 20 (100) | 20 | 0 | 1 (100) | 1 | |
| ≥7.0 | 0 | 18 (100) | 18 | 0 | 1 (100) | 1 | |
| CSF total | 0 | 71 (100) | 71 | 1 | 5 (83) | 6 | |
| Grand total | 21 | 633 (97) | 654 | 5 | 123 (96) | 128 | |
a
Percentage of total.