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Table 4 Differences in proportion and concordance for imaging test ordered between the advanced practice physiotherapist and orthopaedic surgeons (n=120)

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

  Tests ordered by MD (%) Tests ordered by APP (%) Chi-squared test p value Raw agreement proportion Cohen’s kappa 95% CI
Any type of imaging tests 67/120 (56) 79/120 (65) 2.518 0.113 82% 0.65 0.52 – 0.79
X-rays 50/120 60/120 1.678 0.195 75% 0.48 0.33 – 0.64
  (42) (50)      
MRI 15/120 19/120 0.548 0.459 92% 0.66 0.46 – 0.85
  (13) (16)      
CT scan with contrast 20/120 24/120      
  (17) (20) 0.445 0.505 96% 0.78 0.63 – 0.93
  1. MD= orthopaedic surgeon, APP= advanced practice physiotherapist, MRI= Magnetic resonance imaging, CT= computed tomography.
  2. More than one type of imaging tests may be ordered for each patient.