Table 1

Study evaluation procedures and timeline

Study procedure	Medical evaluation	Enrolment visit	3 weeks	2 months	6 months	1 year
Determine eligibility	√	√
Obtain signed consent		√
Obtain medical and demographic data		√
Give instructions for pain medication diary		√
Outcome measures
Patient-rated Tennis Elbow Evaluation		√	√	√	√	√
Visual Analogue Scale for pain		√	√	√	√	√
Shortened version of the Disabilities of the Arm, Shoulder and Hand Questionnaire		√	√	√	√	√
Pain-free/maximum grip strength		√	√	√	√	√
Work Limitations Questionnaire-25		√	√	√	√	√
EuroQol-5D		√	√	√	√	√
Hospital Anxiety and Depression Scale		√	√	√	√	√
Treatment success rate			√	√	√	√
Treatment recurrence rate				√	√	√
Participants’ satisfaction			√	√	√	√