From: Short-term test-retest-reliability of conditioned pain modulation using the cold-heat-pain method in healthy subjects and its correlation to parameters of standardized quantitative sensory testing
Patients return to normal CPM effect (rate of treatment success)
Early CPM effect
Late CPM effect
Crossover
Parallel
100 %
6
18
45
176
75 %
10
34
122
484
50 %
68
272
542
25 %
84
330
1084
4332