Table 1.
General characteristics of groups: results of Mann–Whitney U test
| Variable | Group | Mean | SD | Median | Min | Max | n | P-value |
|---|---|---|---|---|---|---|---|---|
| Age (years) | Knee osteoarthritis | 71.2 | 7.6 | 71.0 | 56.0 | 90.0 | 53 | <0.001* |
| Fibromyalgia | 54.1 | 8.1 | 55.0 | 31.0 | 66.0 | 60 | ||
| BMI (kg/m2) | Knee osteoarthritis | 27.9 | 5.9 | 26.9 | 20.0 | 52.7 | 52 | 0.124* |
| Fibromyalgia | 29.7 | 5.9 | 28.4 | 20.4 | 45.4 | 59 | ||
| Duration of pain (months) | Knee osteoarthritis | 114.6 | 87.0 | 120.0 | 3.00 | 360.0 | 53 | 0.382 |
| Fibromyalgia | 123.4 | 75.6 | 120.0 | 12.0 | 360.0 | 58 | ||
| VAS | Knee osteoarthritis | 7.4 | 1.9 | 7.8 | 1.8 | 9.9 | 53 | 0.439 |
| Fibromyalgia | 7.7 | 1.8 | 8.0 | 2.5 | 10.0 | 60 |
Note:
*
Results of Student’s t-test.
Abbreviations: SD, standard deviation; Min, minimum; Max, maximum; BMI, body mass index; VAS, visual analog scale.