Table 2.
Value | ≥ F2 | ≥ F3 | = F4 |
Number of patients, n (%) | 55 (78.6) | 35 (50.0) | 22 (31.4) |
Optimal cut-off1 (kPa) | 8.60 | 10.46 | 14.00 |
Sensitivity (%) | 78.20 | 88.60 | 77.30 |
Specificity (%) | 93.30 | 80.00 | 85.40 |
Negative likelihood ratio | 11.73 | 4.43 | 5.30 |
Positive likelihood ratio | 0.23 | 0.14 | 0.27 |
Cut-off value was calculated to maximize the sum of sensitivity and specificity. kPa: Kilopascals.