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Visual Analog Scale (VAS) evaluation
| Visual analog scale | ||||
|---|---|---|---|---|
| Baseline | 6 months | 12 months | 36 months | |
| No. | 41 | 41 | 41 | 41 |
| Mean | 8.6 | 4.5 | 2.8 | 2.2 |
| SD | 0.73 | 1.19 | 1.74 | 1.56 |
| Change from baseline | ||||
| Mean | - | -4.1 | -5.8 | -6.4 |
| p value | - | <0.0001 | <0.0001 | <0.0001 |
Time course of visual analog scale (VAS) score. Mean VAS values significantly decreased for all follow-up time points, vs.basal values.
