Fig. 3

Cutoff points to judge clinically meaningful improvements. At the end of 4 weeks of therapy, the DASH score levels were between the levels of ‘no problem’ and ‘unable to work’ in the EA group, but they increased beyond the levels of ‘unable to work’ in the control group. At the follow-up visit 4 weeks after therapy, the DASH score levels were already lower than the level of ‘no problem’ in the EA group, but they remained high in the control group