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Table 2 Concordance between the advanced practice physiotherapist and orthopaedic surgeons on knee and hip primary diagnoses (n=120)

From: Validation of an advanced practice physiotherapy model of care in an orthopaedic outpatient clinic

  Raw agreement proportion (%) Cohen’s kappa 95% CI
Overall 106/120 (88) 0.86 0.80 – 0.93
Hip 9/11 (82)   
Knee 97/109 (89) 0.87 0.79 – 0.94
  Osteoarthritis 41/43 (95)   
  ACL tear 12/12 (100)   
  Meniscal injury 18/20 (90)   
  Patellofemoral syndrome 12/14 (86)   
  1. Cohen’s kappa could not be calculated because of high concordance and small number of hip cases (n=11).
  2. For knee disorders, raw agreement proportions (%) for selected common knee pathologies are also presented.