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. 2020 Mar 3;28(11):5323–5333. doi: 10.1007/s00520-020-05370-8

Table 3.

Change on verbal rating scale (N = 20)

Category IMT PBT
Very clear deterioration 0 (0%) 1 (5%)
Clear deterioration 0 (0%) 0 (0%)
Slight deterioration 0 (0%) 0 (0%)
No change 2 (10%) 7 (35%)
Slight improvement 13 (65%) 9 (45%)
Clear improvement 3 (15%) 1 (5%)
Very clear improvement 1 (5%) 0 (0%)
Not applicable; no pain the last 24 h 1 (5%) 2 (10%)

IMT, intensity-modulated high TENS; PBT, placebo TENS