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PPT and CPM values
| HC (n = 22) | FM negative (n = 24) | FM positive (n = 22) | ||
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | P value | |
| PPT Thumbnail (Kg/cm2) | 6.21 ± 1.83 | 6.30 ± 3.16 | 4.17 ± 2.12 | < 0.01* |
| PPT lower back (Kg/cm2) | 6.82 ± 3.10 | 5.80 ± 3.46 | 3.14 ± 2.04 | < 0.001* |
| CPM thumbnail (Kg/cm2) | 1.79 ± 0.84 | 1.51 ± 1.13 | 0.49 ± 0.94 | < 0.001* |
| CPM lower back (Kg/cm2) | 2.42 ± 1.59 | 1.72 ± 1.11 | 1.05 ± 0.73 | < 0.001* |
FM: Fibromyalgia
PPT: Pressure pain threshold values
CPM: Conditioned pain modulation values
