Instant analgesic effect of radial extracorporeal shock wave therapy on primary dysmenorrhoea according to functional magnetic resonance imaging: study protocol for a randomised placebo-controlled trial

Table 1 Study design schedule

Period	Screening	MRI scan	Treatment	MRI scan	Close-out
Menstrual cycle	0 month	1 month	1 month	1 month	1 month
Inclusion and exclusion criteria	√
Informed consent	√
Physical examination	√
Medical history	√
Comorbidities	√
Pelvic MRI	√
Allocation			√
SF-MPQ		√		√
CMSS		√		√
SAS and SDS		√		√
Patient compliance					√
Reasons for dropout or withdrawals					√
Adverse events					√
Safety evaluation					√

CMSS COX Menstrual Symptom Scale, MRI magnetic resonance imaging, SAS Zung Self-rating Anxiety Scale, SDS Self-rating Depression Scale, SF-MPQ Short form of the McGill Pain Questionnaire

ISSN: 1745-6215