PCT | Sens. | Spec. | PPV | NPV | PLR | NLR |
D1 0.42 ng·mL−1 | 87.5 | 65.5 | 58.3 | 90.5 | 2.54 | 0.19 |
D7 1.04 ng·mL−1 | 80 | 86.2 | 66.6 | 92.6 | 5.78 | 0.23 |
D1 >1.0# ng·mL−1 | 31 | 93 | 71 | 71 | 4.42 | 0.67 |
D4 >1.5# ng·mL−1 | 25 | 79 | 33 | 72 | 1.19 | 0.69 |
D7 >0.5# ng·mL−1 | 80 | 72 | 50 | 91 | 2.85 | 0.11 |
Data are presented as % unless otherwise stated. Sens.: sensitivity; Spec.: specificity; PPV: positive predictive value; NPV: negative predictive value; PLR: positive likelihood ratio; NLR: negative likelihood ratio; D: day. #: threshold values suggested by Luyt et al. 11.