Table 2.
Cutoff Points | Sensitivity (%) | Specificity (%) | Positive Predictive Value (%) | Negative PredictiveValue (%) | Accuracy (%) |
---|---|---|---|---|---|
3 for gray-scale ultrasound | 92 (81, 96) | 73 (59, 84) | 80 (69, 88) | 89 (75, 96) | 83 (75, 90) |
3 for real-time elastography | 78 (66, 88) | 93 (82, 98) | 93 (82, 96) | 79 (67, 88) | 86 (77, 91) |
6 for combined evaluation | 88 (77, 95) | 96 (85, 99) | 96 (86, 99) | 88 (76, 94) | 92 (85, 96) |
2.62 for strain ratio | 87 (74, 94) | 76 (61, 87) | 80 (68, 89) | 83 (68, 93) | 81 (72, 88) |
Note-Numbers in parentheses are 95% confidence intervals (CIs).