Yagci 2014

Methods	Parallel RCT
Participants	Country of study: Turkey Setting: not reported Condition: fibromyalgia Prior management details: no improvement in cases of using medical treatment for fibromyalgia for at least 3 months n = 28 Age mean (SD): active group 45.25 (9.33) years, sham group 43 (7.63) years Duration of symptoms, mean(SD): active group 53 (29.15) months, sham group 54.92 (30.44) Gender distribution: all F
Interventions	Stimulation type: rTMS Stimulation parameters: frequency 1 Hz; coil orientation not reported, 90% RMT, number of trains 20; duration of trains 60 s; ITI 45 s; total number of pulses 1200 Stimulation location: L M1, no neuronavigation Number of treatments: 10 sessions, weekdays for 2 weeks Control type: sham coil ‐ same sound and appearance, no control for sensory cues
Outcomes	Primary: pain NRS anchors 0 = no pain, 10 = maximum pain imaginable When taken: end of intervention, 1 month, 3 months Secondary: FIQ AEs
Notes	Funding source: the study authors declared that this study received no financial support COI: no COI was declared by the authors
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Comment: method of randomisation not outlined Quote: “patients were randomly assigned to be in either a real stimulation group or a sham stimulation group by another clinician”
Allocation concealment (selection bias)	Low risk	Quote: “masked clinician evaluated the patients clinically and provided the diagnosis of FM. The patients were randomly assigned to be in either a real stimulation group or a sham stimulation group by another clinician.”
Adequate blinding of participants?	Unclear risk	Comment: sham coil did not control for sensory aspects of stimulation. Quote: “Sham stimulation was carried out with the same parabolic coil, which was placed at 90° angles to the motor cortex area”
Adequate blinding of assessors?	Low risk	Quote: “A masked clinician evaluated the patients clinically and provided the diagnosis of FM [fibromyalgia]”
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Comment: 3 participants dropped out though this exceeds 10% of total number, the group they withdrew from and point of withdrawal were not clear
Selective reporting (reporting bias)	Low risk	Comment: outcomes adequately reported
Study Size	High risk	N = 28 (per protocol 25)
Study duration	Low risk	Comment: 3‐month follow‐up
Other bias	Low risk	Comment: no other risk of bias detected