Table 1.
Comparison of NS1 detection among RT-PCR, ELISA, lateral flow and SPR.
| Sample number | Test sample | RT-PCR | ELISA |
Lateral flow | SPR |
||||
|---|---|---|---|---|---|---|---|---|---|
| IgM | IgG | NS1 | Conc. (nM) | Signal (degrees) | Result | ||||
| 1 | Positive | + | + | − | + | + | 3.134 | 0.00252 | + |
| 2 | Positive | + | − | + | + | + | 0.333 | 0.00125 | + |
| 3 | Positive | + | − | + | + | + | 0.313 | 0.00115 | + |
| 4 | Positive | + | − | − | + | + | 0.301 | 0.00113 | + |
| 5 | Positive | + | − | + | + | + | 3.061 | 0.00234 | + |
| 6 | Positive | + | + | + | + | − | 0.884 | 0.00173 | + |
| 7 | Positive | + | − | + | + | + | 2.312 | 0.00229 | + |
| 8 | Positive | + | − | + | + | + | 5.182 | 0.00314 | + |
| 9 | Positive | + | − | + | + | + | 4.353 | 0.00297 | + |
| 10 | Positive | + | − | + | + | + | 4.352 | 0.00273 | + |
| 11 | Positive | + | + | + | + | + | 3.381 | 0.00264 | + |
| 12 | Positive | + | + | + | + | + | 7.124 | 0.00398 | + |
| 13 | Positive | + | + | + | + | + | 2.217 | 0.00194 | + |
| 14 | Positive | + | − | + | + | + | 0.543 | 0.00136 | + |
| 15 | Positive | + | + | − | + | + | 1.823 | 0.00188 | + |
| 16 | Positive | + | − | + | + | + | 0.342 | 0.00127 | + |
| 17 | Normal | − | − | − | − | − | 0.005 | 0.00042 | − |
| 18 | Normal | − | − | − | − | − | 0.034 | 0.00075 | − |
| 19 | Normal | − | − | + | − | − | 0.005 | 0.00044 | − |
| 20 | Normal | − | − | + | − | − | 0.027 | 0.00074 | − |
| 21 | Normal | − | − | − | − | − | 0.004 | 0.00040 | − |
| 22 | Normal | − | − | + | − | − | 0.006 | 0.00047 | − |
| 23 | Normal | − | − | − | − | − | 0.003 | 0.00033 | − |
| 24 | Normal | − | − | + | − | − | 0.007 | 0.00059 | − |
| 25 | Normal | − | − | + | − | − | 0.007 | 0.00057 | − |
| 26 | Normal | − | − | + | − | − | 0.003 | 0.00034 | − |