Table 3: One Way ANOVA and Post hoc analysis to determine the optimal concentration of antigen for the optimized in-house IgM ELISA

Antigen concentration Group Mean Std. Deviation ANOVA analysis (ρ value) Post hoc analysis (ρ value)
0.05 mg/mL Positive Melioidosis .884 .009 < 0.001 Positive melioidosis vs Normal control < 0.001
Normal control .328 .029 Positive melioidosis vs Positive cutoff < 0.001
Positive Cutoff .605 - Normal control vs Positive cutoff < 0.001
0.100 mg/mL Positive Melioidosis .917 .016 < 0.001 Positive melioidosis vs Normal control < 0.001
Normal control .581 .043 Positive melioidosis vs Positive cutoff < 0.001
Positive Cutoff .605 - Normal control vs Positive cutoff < 0.337
0.200 mg/mL Positive Melioidosis 1.060 0.029 < 0.001 Positive melioidosis vs Normal control < 0.001
Normal control 0.627 0.016 Positive melioidosis vs Positive cutoff < 0.001
Positive Cutoff 0.605 - Normal control vs Positive cutoff < 0.143