Conditioned pain modulation | Distraction by a cognitive task | |||
---|---|---|---|---|
PCES-EP amplitude [µV, MW ± SD (range)] | PCES pain [NRS 0–100, MW ± SD (range)] | PCES-EP amplitude [µV, MW ± SD (range)] | PCES pain [NRS 0–100, MW ± SD (range)] | |
At baseline | 27.6 ± 12.0 (8.7 … 57.7) | 58.1 ± 4.5 (50 … 72) | 30.3 ± 14.2 (18.5 … 84.6) | 58.3 ± 4.4 (48 … 66) |
During intervention | 20.2 ± 9.5 (9.4 …. 50.6) | 41.1 ± 12.3 (14 … 60) | 13.6 ± 5.2 (6.3 … 26.6) | 38.0 ± 13.0 (14….70) |
Effect | 0.76 ± 0.23 (0.45….1.24) | − 17.1 ± 13.0 (− 47 …. 0) | 0.49 ± 0.20 (0.22…0.84) | − 20.3 ± 11.7 (− 44 …. 6) |