Table 2.
Means and standard deviations of pain and fear rating, and heart rate changes of subjects with fibromyalgia (n = 14), healthy controls (n = 14) and rheumatoid arthritis (n = 14).
| Variable | Fibromyalgia
|
Healthy control
|
Arthritis
|
|||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Fear | ||||||
| CS− | 25.8 | 25.1 | 18.5 | 14.1 | 15.2 | 11.2 |
| CS+ low | 22.8 | 20.6 | 30.4 | 20.7 | 18.2 | 15.0 |
| CS+ high | 26.9 | 24.8 | 30.9 | 21.1 | 23.0 | 14.7 |
| Pain | ||||||
| CS− | 41.2 | 20.5 | 33.6 | 20.7 | 32.4 | 18.4 |
| CS+ low | 41.9 | 19.6 | 40.5 | 25.0 | 36.7 | 21.3 |
| CS+ high | 76.7 | 16.8 | 70.3 | 22.5 | 64.5 | 19.8 |
| HR change (bpm) | ||||||
| CS− | 3.75 | 4.74 | 4.23 | 4.68 | 4.10 | 5.35 |
| CS+ | 4.44 | 4.75 | 5.28 | 4.85 | 4.62 | 4.91 |
CS, conditioned stimulus; HR, heart rate; SD, standard deviation.