Smith 2001.

Methods	Study design: RCT Duration of the study: not reported Protocol was published before recruitment of participants: not reported Details of trial registration: not reported Funding sources: not reported
Participants	Place of study: Tennesse, USA Number of participants assigned: 100 participants Number of participants assessed: 65 participants (30 surgical; 35 conservative) Inclusion criteria Patients with an acute 100% displaced mid‐shaft clavicle fracture Exclusion criteria: not reported Age: not reported Classification of injury: not reported
Interventions	Timing of intervention: not reported: participants with acute fractures Type of surgical intervention: open reduction and plate fixation with limited contact dynamic compression plates Type of conservative intervention: simple sling or figure‐of‐eight bandage Rehabilitation: not reported Any co‐interventions: not reported
Outcomes	Length of follow‐up: until radiographic union or non‐union, surgical group (mean/range): 16/8‐28 months; conservative group (mean/range): 18.6/8‐32 months Loss to follow‐up: 35 participants were lost to follow‐up Primary outcomes Failure of treatment Secondary outcomes Treatment failure measured by: non‐union and malunion cosmetic result: deformity Adverse events measured by: long‐term follow‐up: stiffness/restricted of range of shoulder movement (adhesive capsulitis)
Notes	We tried unsuccessfully to contact the study authors to obtain further information. This trial was presented in 2001 at a conference, and it is unlikely that the full results will ever be published.

DASH: Disability of the Arm, Shoulder, and Hand questionnaire; LCP: locking compression plate; RCT: randomised controlled trial