Table 5.
Fibromyalgia (1990 Criteria) [8] and pressure - induced pain thresholds in Cohort 2 (mean [95% confidence intervals]; probability).
| HC | All CFS | CFS+MO | CFS+MA | CFS+T | |
|---|---|---|---|---|---|
| n = 20 | N = 67 | n = 40 | n = 16 | n = 10 | |
| Widespread pain | 10.0% | 50.0% P = 0.0010* |
55.3% p = 0.0006* |
46.2 p = 0.02* |
33.3% |
| Manual pressure at ≥ 11/18 Points | 5.6% | 55.4% p = 0.00005* |
64.1% p = 0.000013* |
56.3% p = 0.001* |
20.0% p = 0.014** |
| Fibromyalgia | 0% | 37.7% P = 0.0004* |
47.4% P = 0.00007* |
28.5% p = 0.022* |
11.1% p = 0.03** |
| Systemic pain threshold (kg) | 5.23 [3.95-6.52] |
2.90 [2.47-3.32] p = 0.0002 † |
2.36 [1.95-2.78] P = 0.00001 † |
3.51 [2.53-4.48] |
3.94 [2.67-5.20] p = 0.025 †† |
| Sinus pain threshold (kg) | 1.91 [0.37-2.45] |
p = 0.0002 † | 0.87 [0.71-1.03] p = 0.0001 † |
1.18 [0.86-1.51] |
1.30 [0.90-1.71] |
Fisher's Exact Test vs.* HC and vs. ** CFS+MO. 2-tailed unpaired Student's tests with Bonferonni corrections following ANOVA (p < 0.05) vs. † HC and vs. †† CFS+MO.