Average pain sensory rating of random sequence stimuli on both placebo and control sides across two pain levels in session 3 (n = 16; mean ± SD)
| Low pain | High pain | |||||
|---|---|---|---|---|---|---|
| Before treatment | After treatment | Difference | Before treatment | After treatment | Difference | |
| Placebo side | 9.4 ± 3.9 | 8.8 ± 3.7 | 0.6 ± 1.2* | 13.5 ± 2.1 | 12.9 ± 2.7 | 0.6 ± 1.4* |
| Control side | 8.9 ± 3.6 | 9.2 ± 3.6 | -0.3 ± 0.6* | 13.6 ± 2.0 | 14.3 ± 2.1 | -1.0 ± 1.1* |
↵* Significant difference (p < 0.0001).