Table 3.
Between groups differences at each time point
| Outcome | Group | 1 week after treatment | 4 weeks after treatment | ||
|---|---|---|---|---|---|
| Mean diff | p value | Mean diff | p value | ||
| Pain (VAS) | Point SW vs Sweep SW | − 0.5 | 0.88 | 0.00 | 1.00 |
| Point SW vs control | − 7.5 | 0.04 | − 19.00 | < 0.001 | |
| Sweep SW vs control | − 7.00 | 0.045 | − 19.00 | < 0.001 | |
| Paresthesia (VAS) | Point SW vs Sweep SW | 5.50 | 0.09 | 2.00 | 0.46 |
| Point SW vs control | − 2.00 | 0.53 | − 16.00 | < 0.001 | |
| Sweep SW vs control | − 7.50 | 0.044 | − 18.00 | < 0.001 | |
| BQ (SSS) | Point SW vs Sweep SW | 0.59 | 0.73 | 0.34 | 0.89 |
| Point SW vs control | − 2.07 | 0.044 | 4.16 | < 0.001 | |
| Sweep SW vs control | − 2.67 | 0.007 | 4.51 | < 0.001 | |
| BQ (FSS) | Point SW vs Sweep SW | 1.00 | 0.29 | 1.25 | 0.199 |
| Point SW vs control | − 0.49 | 0.73 | − 1.24 | 0.205 | |
| Sweep SW vs control | − 1.5 | 0.06 | − 2.49 | 0.003 | |
| SDL (ms) | Point SW vs Sweep SW | 0.03 | 0.99 | – | – |
| Point SW vs control | − 0.65 | 0.04 | – | – | |
| Sweep SW vs control | − 0.69 | 0.03 | – | – | |
| MDL (ms) | Point SW vs Sweep SW | 0.35 | 0.23 | – | – |
| Point SW vs control | − 0.34 | 0.25 | – | – | |
| Sweep SW vs control | − 0.69 | 0.02 | – | – | |
SW, shock wave; VAS, visual analog scale; BQ, Boston questionnaire; SSS, symptom severity score; FSS, functional status score; SDL, sensory distal latency; MDL, motor distal latency
p value < 0.05