Table 6 Areas the receiver operating characteristics (ROC) curves, 95 % Confidence Intervals (95 % CI) and cutoff points of optimum performance for differentiating upper from lower urinary tract
Area under the ROC curve | 95 % Cl | Cutoff point | Area under the ROC curve | 95 % Cl | Cutoff point | |
|---|---|---|---|---|---|---|
Upper urinary tract infection | Lower urinary tract infection | |||||
hsCRP [mg/dl] | 1 | 1.0 – 1.0 | 9.45 | 0.571 | 0.37 – 0.771 | 8.37 |
PCT [ng/ml] | 0.94 | 0.845 – 0.993 | 0.07 | 0.505 | 0.185 – 0.575 | 0.15 |
IL-6 [pg/ml] | 0.7 | 0.737 – 0.95 | 8.3 | 0.73 | 0.535 – 0.924 | 10.4 |
CPP [pg/ml] | 1.0 | 1.0 – 1.0 | 1140 | 1.0 | 1.0 – 1.0 | 828 |