Comparison of mean symptom duration and VAS score before the procedure in terms of pain relief at the 2 week follow-up
| Total No. of Patients | Pain Relief | ||||
|---|---|---|---|---|---|
| Excellent | Good | Fair | Poor | ||
| No. of patients | 229 | 45 | 48 | 45 | 91 |
| Mean symptom duration (mo) | 6.3 | 3.04 | 5.96 | 6.58 | 7.96 |
| Mean VAS score before the procedure | 6.48 | 6.37 | 6.28 | 6.83 | 6.41 |
Note:—VAS indicates visual analog scale.