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Table 1 Participant characteristics

From: Consensus on draft OMERACT core domains for clinical trials of Total Joint Replacement outcome by orthopaedic surgeons: a report from the International consensus on outcome measures in TJR trials (I-COMiTT) group

# survey participants Orthopaedic surgeon leadership group Orthopaedic surgeons (AAOS outcomes SIG/ORS group)
N = 18 N = 69
% malea 100% 78%
Age categorya
 18–24 0% 0%
 25–34 0% 1%
 35–44 0% 17%
 45–54 33% 17%
 55–64 67% 41%
 65–74 0% 19%
 ≥75 0% 4%
Backgroundb
 Arthroplasty surgeon, private practice 56% 18%
 Arthroplasty surgeon, academic practice 39% 43%
 Arthroplasty researcher 11% 49%
 Orthopaedic surgeon, not focused on arthroplasty, private practice 11% 8%
Orthopaedic surgeon, not focused on arthroplasty, academic practice 17% 7%
 Patient 0% 7%
 Policy maker 0% 3%
Time spent planning/conducting arthroplasty trials
 0–10% 67% 57%
 11–20% 28% 16%
 21–30% 0% 16%
 31–50% 0% 4%
 >50% 6% 6%
Years practicing/doing research in arthroplasty
 < 5 6% 4%
 5–<10 0% 13%
 10–20 18% 23%
 >20 77% 59%
  1. aMissing values for AAOS-Outcome SIG and OMERACT cohorts: sex: 5 vs. none; age, 4 vs. none; bBackground, people could choose more than one option