Statistical Specifications | The Difference between Pain Severity before and after Treatment (VAS) | The Difference between Frequency of Pain before and after Treatment (per month) | The Difference between Pain Episodes before and after Treatment (hour) |
---|---|---|---|
Mean ± SD | -10.7 ± 4.4 | -3.2 ± 1.0 | -5 ± 1.3 |
Z-score | -8.3 | -12.2 | -14.8 |
P-value | 0.0001 | 0.0001 | 0.0001 |