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Table 1 Study design schedule

From: 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

PeriodScreeningMRI scanTreatmentMRI scanClose-out
Menstrual cycle0 month1 month1 month1 month1 month
Inclusion and exclusion criteria    
Informed consent    
Physical examination    
Medical history    
Pelvic MRI    
SAS and SDS   
Patient compliance    
Reasons for dropout or withdrawals    
Adverse events    
Safety evaluation    
  1. 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