Table 3 Performance evaluation of screening LN with different RTEC cut-off values
performance index | cut-off (cell/µl) | |||||||
|---|---|---|---|---|---|---|---|---|
2.55 | 2.65 | 2.80 | 3.05 | 3.25 | 3.35 | 4.35 | 4.80 | |
Youden index | 0.327 | 0.340 | 0.365 | 0.361 | 0.329 | 0.313 | 0.302 | 0.303 |
sensitivity (%) | 59.68 | 59.68 | 59.68 | 58.06 | 54.84 | 53.23 | 48.39 | 43.55 |
specificity (%) | 76.25 | 77.50 | 80.00 | 81.25 | 81.25 | 81.25 | 85.00 | 90.00 |
PPV (%) | 66.07 | 67.27 | 69.81 | 70.59 | 69.39 | 68.75 | 71.43 | 77.14 |
NPV (%) | 70.93 | 71.26 | 71.91 | 71.43 | 69.89 | 69.15 | 68.00 | 67.29 |
coincidence (%) | 69.01 | 69.72 | 71.13 | 71.13 | 69.72 | 69.01 | 69.01 | 69.72 |