Table 1.
Median frequency and duration of differential activation in fibromyalgia (FM) and healthy controls (CON); mean values ± 1 standard deviation (SD) and minimum and maximum values.
| Group | CON | FM | Statistics | ||
|---|---|---|---|---|---|
| Variable and load | Mean ± SD | Min-Max | Mean ± SD | Min-Max | p-value |
| Frequency (s-1) | |||||
| 0 kg | 0.43 ± 0.08 | 0.24-0.56 | 0.37 ± 0.11 | 0.14-0.53 | 0.028* |
| 1 kg | 0.42 ± 0.10 | 0.23-0.57 | 0.35 ± 0.12 | 0.12-0.60 | 0.033* |
| 2 kg | 0.37 ± 0.11 | 0.11-0.51 | 0.34 ± 0.12 | 0.14-0.53 | 0.303 |
| 4 kg | 0.39 ± 0.11 | 0.14-0.56 | 0.36 ± 0.12 | 0.14-0.60 | 0.280 |
| Duration (sec) | |||||
| 0 kg | 1.21 ± 0.26 | 0.89-2.08 | 1.51 ± 0.61 | 0.95-3.59 | 0.022* |
| 1 kg | 1.28 ± 0.36 | 0.88-2.23 | 1.67 ± 0.85 | 0.82-4.30 | 0.025* |
| 2 kg | 1.57 ± 0.83 | 0.98-4.60 | 1.71 ± 0.73 | 0.95-3.59 | 0.500 |
| 4 kg | 1.42 ± 0.59 | 0.90-3.59 | 1.59 ± 0.68 | 0.84-3.58 | 0.325 |
Furthest to the right is the result of the statistical comparisons (p-values) between groups (CON vs. FM); * denotes significant difference.