Patient_Reported_Outcome_Measures_in_Rheumatic_Diseases

Table 10.2

Characteristics of recommended PROMs for hip and knee OA

PROM

Dimensions evaluated ( indicates OMERACT core domain

)

Intended population

How to administer

Patient burden

Scoring

How to obtain

Available language translations

Specifi c for hip/knee OA

WOMAC

Pain

Hip and knee OA

Patient- completed or interviewer- administered

• 24 items


• 5 min to score

http://www.womac.org

(licensing and fee information, permission to use)

Available in >80 languages

Stiffness

• Pain (5)


• 
  

Manual or computer calculation (sum of all items in each subscale)

Physical function

(ADL)

• Stiffness (2)


• 3 individual subscales
  
  
  • Function (17)
  
  
  • 
    
  
  
  
  

Likert version:

• Recall previous 48 h


• Pain 0–20
  
  
  • 5–12 min to complete
  
  
  • 
    

    Stiffness 0–8 – Function 0–68

    
    
  
  
  
  

VAS version: – Pain 0–500 – Stiffness 0–200 – Function 0–1700

• Higher scores indicate

worse pain, stiffness or function