Table 5.
Statistic | Electrodiagnostic testing | Ultrasonography |
---|---|---|
Sensitivity, % | 87.0 (82.9-91.1) | 75.9 (70.7-81.1) |
Specificity, % | 27.0 (19.6-34.3) | 51.1 (42.8-59.3) |
Positive predictive value, % | 68.8 (63.8-73.8) | 74.1 (68.9-79.4) |
Negative predictive value, % | 52.8 (41.2-64.3) | 53.3 (44.9-61.7) |
Accuracy, % | 65.9 | 67.2 |
Note. The 95% confidence interval is given in parentheses.