TABLE 2.
Quantitative sensory testing (QST) measures.
| Chronic Pain | Control | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alcohol | Placebo | Alcohol | Placebo | ||||||||||||
| Variable | M (SD) | M (SD) | M (SD) | M (SD) | |||||||||||
| Pain threshold | 4.56 (1.08) | 3.81 (0.84) | 5.27 (1.37) | 4.51 (1.21) | |||||||||||
| 4lbf | 5lbf | 6lbf | 4lbf | 5lbf | 6lbf | 4lbf | 5lbf | 6lbf | 4lbf | 5lbf | 6lbf | ||||
| M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | ||||
| Pain intensity | 23.96 (20.95) | 35.43 (19.67) | 37.19 (23.90) | 32.39 (19.95) | 41.81 (20.28) | 46.10 (22.97) | 12.76 (13.44) | 20.92 (17.02) | 26.95 (23.06) | 22.05 (17.72) | 29.98 (23.89) | 34.03 (22.94) | |||
| Pain unpleasantness | 21.61 (21.02) | 33.13 (21.07) | 36.08 (24.13) | 30.55 (21.59) | 40.83 (22.53) | 46.23 (24.96) | 13.33 (15.46) | 21.00 (19.57) | 24.76 (21.33) | 22.58 (19.01) | 31.55 (25.15) | 35.30 (25.10) | |||
| Pain relief | 40.58 (31.31) | 41.00 (28.27) | 39.72 (30.05) | 7.91 (13.71) | 7.20 (13.01) | 7.20 (13.41) | 39.79 (30.58) | 42.75 (30.14) | 43.65 (29.61) | 5.51 (11.36) | 5.57 (11.13) | 5.89 (13.11) | |||
Pain threshold was measured in lbf. Pain intensity, pain unpleasantness, and pain relief were measured on a 0–100 visual analogue scale (VAS). lbf=pound-feet