Table 3 Optional cut-off values of the variables
| Â | Cut-off value | Sensitivity (%) | Specificity (%) | Youden index | AUC (95%CI) | P |
|---|---|---|---|---|---|---|
IL-6 | > 64.85 (pg/ml) | 50.00 | 88.00 | 0.38 | 0.69 (0.63–0.75) | < 0.01 |
CRP | > 107.24 (mg/L) | 45.00 | 77.33 | 0.22 | 0.59 (0.53–0.65) | 0.14 |
CD8 + T | > 1106 (/ul) | 40.00 | 86.67 | 0.27 | 0.62 (0.56–0.68) | 0.09 |
SP-A | > 72.24 (ng/ml) | 55.00 | 81.33 | 0.36 | 0.64 (0.58–0.70) | 0.09 |
SP-D | > 267.79 (ng/ml) | 80.00 | 59.11 | 0.39 | 0.68 (0.61–0.71) | < 0.01 |
KL-6 | > 508 (U/ml) | 75.00 | 87.56 | 0.63 | 0.81 (0.76–0.86) | < 0.01 |