Table 3 Association of anti-NS1 antibodies with the plaque reduction neutralization test*.
Virus | NS1 positive/PRNT90 ≥ 20 | NS1 negative/PRNT90 < 20 | P |
|---|---|---|---|
ZIKV | 21/30 (70%) | 30/30 (100%) | <0.00001 |
JEV | 9/27 (33.3%) | 31/33 (93.9%) | <0.01 |
DENV 1 | 40/43 (93%) | 12/17 (70.6%) | <0.00001 |
DENV 2 | 38/43 (88.4%) | 14/17 (82.4%) | <0.00001 |
DENV 3 | 31/41 (75.6%) | 15/19 (78.9%) | <0.0001 |
DENV 4 | 20/24 (83.3%) | 19/36 (52.8%) | <0.01 |