Summary of provocative test results
| Vessel | Sodium Amytal | Lidocaine | ||
|---|---|---|---|---|
| No. of Vessels | No. of Positive Results | No. of Vessels | No. of Positive Results | |
| ASA | 32 | 3 | 37 | 8 |
| PSA | 13 | 1 | 15 | 6 |
| Posterior inferior cerebellar artery | 1 | 0 | 1 | 1 |
| Radicular artery | 1 | 0 | 3 | 0 |
| Total | 47 | 4 | 56 | 15 |