Table 2: Area Under the Curve (AUC) at various serum dilutions, generated from ROC analysis on 130 serum samples from positive melioidosis (n=45) and normal control (n=85). The highest AUC was observed in dilution of 1:320
Sample (n=130) | Dilution | Area Under the Curve (AUC) | 95% Confidence Interval | |
Lower Bound | Upper Bound | |||
1:80 | 0.917 | 0.876 | 0.958 | |
1:160 | 0.958 | 0.933 | 0.984 | |
1:320 | 0.970 | 0.947 | 0.993 | |
1:640 | 0.932 | 0.897 | 0.968 | |
1:1280 | 0.873 | 0.813 | 0.933 | |
1:2560 | 0.852 | 0.791 | 0.913 | |
1:5120 | 0.776 | 0.709 | 0.844 | |
1:10240 | 0.634 | 0.550 | 0.718 | |
1:20480 | 0.594 | 0.515 | 0.674 | |
1:40960 | 0.498 | 0.415 | 0.581 | |
1:81920 | 0.524 | 0.442 | 0.605 |