Table 1.
Sensitivity, specificity, and predicted values of clinical nerve compression tests.
| Sensitivity (%) | Specificity (%) | Positive predictive Value (%) | Negative predictive Value (%) | Accuracy (%) | |
|---|---|---|---|---|---|
| Wrist Tinel | 32* | 99 | 96 | 59 | 65 |
| Wrist provocative | 44* | 99 | 98 | 65 | 72 |
| Wrist scratch collapse | 64 | 99 | 99 | 73 | 82 |
| Elbow Tinel | 54* | 99 | 97 | 98 | 84 |
| Elbow provocative | 46* | 99 | 96 | 78 | 81 |
| Elbow scratch collapse | 69 | 99 | 99 | 86 | 89 |
Prevalence of carpal tunnel syndrome, 70%; prevalence of cubital tunnel syndrome, 32%
*p < 0.001 compared with scratch collapse test
Reprinted with permission[6]