highly significantp value < 0.0001
The NS1 antigen test results were highly significant with a p value < 0.0001 ( χ 2 = 253.4, d f = 3), Figure 4 .
The NS1 antigen test results were highly significant with a p value < 0.0001 ( χ 2 = 253.4, d f = 3), Figure 4 .