Table 2.
Fibromyalgia key symptoms
| All patients (n = 63) | Baseline (Bvs) | Vibrotac. S. (VS) | Baseline (Bsham) | Sham | (Bvs − VS) > (Bsham − Sham) |
| Pain | 71.3 ± 13.1 | 54.4 ± 23.5 | 69.9 ± 15.1 | 62.5 ± 21.0 | F = 6.5 p = 0.014 |
| Fatigue | 73.8 ± 13.7 | 53.1 ± 26.4 | 71.8 ± 15.5 | 64.3 ± 22.9 | F = 12.0 p = 0.001 |
| Cognitive symptoms | 65.5 ± 18.1 | 62.0 ± 21.0 | 65.8 ± 18.2 | 64.1 ± 19.4 | F = 1.6 p = 0.206 |
| Vibrotactile S first (n = 33) | Baseline (B1) | Vibrotac. S. (VS) | Baseline (B2) | Sham | (B1 − VS) > (B2 − Sham) |
| Pain | 71.2 ± 10.4 | 48.0 ± 26.1 | 66.4 ± 16.3 | 62.8 ± 20.0 | t = 4.0 p = 0.0003 |
| Fatigue | 74.4 ± 12.5 | 46.8 ± 27.8 | 69.1 ± 16.3 | 65.7 ± 21.9 | t = 5.1 p = 0.00001 |
| Cognitive symptoms | 66.5 ± 18.0 | 61.9 ± 22.4 | 66.4 ± 18.1 | 63.9 ± 20.3 | t = 0.9 p = 0.359 |
| Sham first (n = 30) | Baseline (B1) | Sham | Baseline (B2) | Vibrotac. S. (VS) | (B2 − VS) > (B1 − Sham) |
| Pain | 73.7 ± 12.9 | 62.2 ± 22.4 | 71.3 ± 15.7 | 61.3 ± 18.3 | t = − 0.3 p = 0.783 |
| Fatigue | 74.7 ± 14.3 | 62.7 ± 24.2 | 73.1 ± 15.0 | 60.1 ± 23.4 | t = 0.2 p = 0.842 |
| Cognitive symptoms | 65.2 ± 18.6 | 64.4 ± 18.8 | 64.4 ± 18.5 | 62.1 ± 19.7 | t = 0.9 p = 0.382 |
| (B1 − VS) > (B1 − Sham) | (B2 − VS) > (B2 − Sham) | ||||
| Pain | t = 2.2 p = 0.034 | t = 1.5 p = 0.149 | |||
| Fatigue | t = 2.9 p = 0.005 | t = 2.3 p = 0.025 | |||
| Cognitive symptoms | t = 1.9 p = 0.071 | t = − 0.1 p = 0.911 | |||