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Table 2 Eligibility criteria for the distal radius fracture group

From: Does osteoporosis increase complication risk in surgical fracture treatment? A protocol combining new endpoints for two prospective multicentre open cohort studies

Inclusion criteria (distal radius)
   • Radiologically confirmed closed fracture (≤ 7 days) of the distal radius
   • Primary fracture treatment with a volar LCP 2.4 mm
   • Age > 50 and < 90 years
   • Willing and able to give written informed consent to participate in the study
   • Willing and able to participate in the study follow-ups according to the study protocol
   • Willing and able to comply with the postoperative management program
   • Able to understand and read country national language at an elementary level
Exclusion criteria (distal radius)
   • Ulna fracture (except an associated fracture of the ulnar styloid process)*
   • Open distal radius fracture
   • Concomitant contralateral radius fracture
   • Previous distal radius fracture on either side after the age of 25
   • Time to operation > 7 days
   • Polytrauma
   • Regular systemic therapy with corticosteroids due to chronic disease
   • Legal incompetence
   • Patient received radio- or chemotherapy prior to, during or within the last year
   • Currently diagnosed with active cancer
   • Recent history of substance abuse (i.e. recreational drugs, alcohol)
   • Prisoner
   • Currently involved in a pharmaceutical clinical study**
   • Has a disease process that would preclude accurate evaluation (e.g. neuromuscular or rheumatic disease, significant psychiatric or metabolic disorders)
  1. * a) simple fractures of the ulna neck, b) multi-fragmentary fractures of the ulna neck, c) fractures of the ulna head and d) fractures of the ulna proximal to the neck are excluded, while radio-ulna dislocation (fracture of the styloid process) may be included.
  2. ** Simultaneous participation in another orthopaedic/surgical study with the same or another fracture will be approved by the principal clinical investigator