Table 2.
Comparison of the clinical and electrophysiological parameters
| Baseline | 1 week after treatment | 4 weeks after treatment | p value | Effect size (Partial η2) |
p value | η2 | ||
|---|---|---|---|---|---|---|---|---|
|
Pain (VAS) (Mean ± SD) |
||||||||
| Point SW | (45.50 ± 12.34)A | (13.00 ± 8.01)B | (12.00 ± 6.15)B | < 0.001 | 0.86 | Group × time | 0.005 | 0.14 |
| Sweep SW | (39.50 ± 17.00)A | (13.50 ± 7.45)B | (12.00 ± 5.23)B | < 0.001 | 0.75 | |||
| Control | (48.00 ± 10.05)A | (20.50 ± 14.68)B | (31.00 ± 15.86)C | < 0.001 | 0.61 | |||
| p value | 0.13 | 0.04 | < 0.001 | |||||
|
Paresthesia (VAS) (Mean ± SD) |
||||||||
| Point SW | (52.0 ± 14.36)A | (18.50 ± 10.40)B | (14.00 ± 6.80)C | < 0.001 | 0.88 | Group × time | < 0.001 | 0.21 |
| Sweep SW | (42.0 ± 16.73)A | (13.00 ± 6.56)B | (12.00 ± 5.23)B | < 0.001 | 0.8 | |||
| Control | (46.0 ± 13.13)A | (20.50 ± 12.76)B | (30.00 ± 12.14)C | < 0.001 | 0.6 | |||
| p value | 0.1 | 0.04 | < 0.001 | |||||
|
BQ (SSS) (Mean ± SD) |
||||||||
| Point SW | (23.65 ± 5.06)A | (12.87 ± 2.20)B | (12.21 ± 1.54)B | < 0.001 | 0.88 | Group × time | 0.003 | 0.16 |
| Sweep SW | (21.01 ± 4.84)A | (12.21 ± 1.87)B | (11.88 ± 1.65)C | < 0.001 | 0.82 | |||
| Control | (22.44 ± 3.96)A | (14.96 ± 3.52)B | (16.39 ± 3.30)C | < 0.001 | 0.66 | |||
| p value | 0.23 | 0.007 | < 0.001 | |||||
|
BQ (FSS) (Mean ± SD) |
||||||||
| Point SW | (14.88 ± 3.84)A | (9.92 ± 2.48)B | (9.76 ± 3.12)B | < 0.001 | 0.73 | Group × time | 0.006 | 0.14 |
| Sweep SW | (12.40 ± 3.76)A | (8.88 ± 1.28)B | (8.48 ± 0.88)C | < 0.001 | 0.58 | |||
| Control | (13.04 ± 2.80)A | (10.40 ± 2.24)B | (10.96 ± 2.08)C | < 0.001 | 0.49 | |||
| p value | 0.088 | 0.078 | 0.004 | |||||
|
SDL (ms) (Mean ± SD) |
||||||||
| Point SW | (4.34 ± 0.98) | (3.84 ± 0.76) | – | < 0.001 | 0.49 | Group × time | 0.002 | 0.19 |
| Sweep SW | (4.12 ± 0.97) | (3.81 ± 0.94) | – | < 0.001 | 0.48 | |||
| Control | (4.40 ± 0.82) | (4.50 ± 0.83) | – | 0.5 | 0.02 | |||
| p value | 0.6 | 0.02 | – | |||||
|
MDL (ms) (Mean ± SD) |
||||||||
| Point SW | (4.68 ± 1.09) | (4.15 ± 1.09) | – | < 0.001 | 0.56 | Group × time | 0.002 | 0.19 |
| Sweep SW | (4.22 ± 0.97) | (3.79 ± 0.87) | – | < 0.001 | 0.54 | |||
| Control | (4.50 ± 0.88) | (4.49 ± 0.81) | – | 0.94 | < 0.001 | |||
| p value | 0.33 | 0.07 | – |
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; Letters A, B and C was used for row comparison (within groups); Similar letters indicate no significant difference