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Table 3 ANOVA result based on logistic regression of the samples on various factors

From: Performance of commercial dengue NS1 ELISA and molecular analysis of NS1 gene of dengue viruses obtained during surveillance in Indonesia

Parameters df NS1a IgMb
   χ2 p-value χ2 p-value
City of origin 7 19.21 0.008 c 7.42 0.387
Serotype 4 6.60 0.159 9.78 0.044 d
Infection status 1 5.92 0.015 c 11.14 <0.001 d
Severity 2 2.53 0.282 4.29 0.117
  1. df: degree of freedom.
  2. χ2: Chi-square statistics, p-value < 0.05 is considered statistically significant (printed in bold).
  3. aLogistic regression model: NS1 ~ City + Serotype + Infection status + Severity.
  4. bLogistic regression model: IgM ~ City + Serotype + Infection status + Severity.
  5. cOmission of samples from cities with small samples size (Kendari and Medan) did not affect the statistical significant (p = 0.003 for city of origin and p = 0.034 for infection status).
  6. dOmission of samples from cities with small samples size (Kendari and Medan) did not affect the statistical significant (p = 0.034 for serotype and p < 0.001 for infection status).