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Table 1 Primary and secondary outcomes

From: The effect of continuous passive motion and sling exercise training on clinical and functional outcomes following total knee arthroplasty: a randomized active-controlled clinical study

Variable Method
Primary outcome  
pFL Goniometry
Secondary outcomes  
aFL Goniometry
aEX Goniometry
pEX Goniometry
Physical activity Activity monitor
Static postural control Force plate
Length of hospital stay  
Pain Visual analogue scale
Clinical, functional and quality-of-life outcomes HSS, SF-36 and WOMAC scores
  1. Abbreviations: pFL, maximal passive knee flexion; aFL, maximal active knee flexion; aEx, maximal active knee extension; pEx, maximal passive knee extension; HSS score, Hospital for Special Surgery Score; SF-36, Short Form Health Survey; WOMAC score, Western Ontario and McMaster Osteoarthritis Score.