Table 1.
Summary results of three JEV IgM ELISA kits compared with the CDC classifications*
| Kit | Kit result | CDC | ||||||
|---|---|---|---|---|---|---|---|---|
| Serum | CSF | |||||||
| JE Pos | DEN Pos | WNV Pos | Neg | JE Pos | DEN Pos | Neg | ||
| Panbio (Adjusted results) | JE pos | 24 | 0 | 0 | 4 | 6 (9) | 1 (1) | 0 (1) |
| DEN pos | 0 | 9 | 3 | 9 | 0 (0) | 14 (0) | 3 (3) | |
| JE equiv | 6 | 0 | 1 | 3 | 1 (5) | 0 (3) | 0 (20) | |
| DEN equiv | 1 | 1 | 1 | 5 | 0 (0) | 1 (0) | 0 (0) | |
| Neg | 30 | 26 | 11 | 160 | 23 (16) | 0 (12) | 177 (156) | |
| Total | 61 | 36 | 16 | 181 | 30 | 16 | 180 | |
| InBios JE Detect | JE pos | 29 | 2 | 2 | 6 | 9 | 1 | 1 |
| JE equiv | 1 | 2 | 1 | 6 | 0 | 0 | 0 | |
| Neg | 21 | 29 | 13 | 158 | 8 | 9 | 156 | |
| Total | 51 | 33 | 16 | 170 | 17 | 10 | 157 | |
| XCyton JEV CheX | JE pos | 12 | 1 | 0 | 6 | 5 | 1 | 4 |
| Flavivirus pos | 23 | 6 | 4 | 23 | 7 | 2 | 7 | |
| Neg | 26 | 29 | 12 | 152 | 18 | 13 | 169 | |
| Total | 61 | 36 | 16 | 181 | 30 | 16 | 180 | |
*
Based on CDC serological testing algorithm (see Figure 1). JEV = Japanese encephalitis virus; ELISA = enzyme-linked immunosorbent assay; CDC = Centers for Disease Control and Prevention; CSF = cerebrospinal fluid; JE = Japanese encephalitis; DEN = dengue.