Clinical Impact of Computerized Electrodiagnostic Testing (n = 100)
| Pretest DX | n | Impact on Pretest DX (%) | Changed Management | ||
|---|---|---|---|---|---|
| Confirmed DX* | Changed DX* | Expanded DX | |||
| Carpal tunnel syndrome | 34 | 76.5 | 0.0 | 20.6 | 41.2 |
| Diabetic PN | 18 | 55.6 | 5.6 | 16.7 | 22.2 |
| Other PN | 11 | 36.4 | 27.3 | 18.2 | 27.3 |
| LSR | 17 | 41.2 | 17.6 | 5.9 | 29.4 |
| LSR or PN | 20 | 60.0 | 35.0 | 25.0 | 20.0 |
| Total [n (95% CI)] | 100 | 59 (49–68) | 14 (8–22) | 18 (12–27) | 30 (22–40) |
* Homogeneity among the pretest diagnostic categories rejected by contingency χ2 test at P < .1.
DX, diagnosis; LSR, lumbosacral radiculopathy; PN, polyneuropathy.