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Table 2 Overview of questionnaire items.

From: Effectiveness of diclofenac versus acetaminophen in primary care patients with knee osteoarthritis: [NTR1485], DIPA-Trial: design of a randomized clinical trial

 

0 weeks

B.Q.

3 weeks

F.U.Q.

6 weeks

F.U.Q.

9 weeks

F.U.Q.

12 weeks

F.Q.

Diary

Demographics

      

   Age, gender, weight, height, and social status

X

     

Outcome measures

      

   Pain score (NRS)

X

X

X

X

X

X

   Pain score (KOOS)

X

X

X

X

X

 

   Function score (KOOS)

X

X

X

X

X

 

   Perceived recovery

X

X

X

X

X

 

   Constant pain, and pain that comes and goes (ICOAP)

X

X

X

X

X

 

   Quality of life (EuroQol)

X

X

X

X

X

 

   Direct medical, patient, and productivity costs (PRODISQ)

    

X

 

   Compliance

     

X

   Adverse reactions

 

X

X

X

X

 

Other outcomes

      

   Knee-related characteristics (History, duration, and localisation)

X

     

   Co-morbidities

X

     

   Medication use

 

X

X

X

X

X

   Medical consumption (Visit to GP, medical specialist, physical therapist, etc.)

 

X

X

X

X

 
  1. B.Q. = Baseline Questionnaire; F.U.Q. = Follow-up Questionnaire; F.Q. = Final Questionnaire; KOOS = Knee Osteoarthritis Outcome Score; NRS = Numeric Rating Scale; ICOAP = Intermittent and Constant OsteoArthritis Pain; PRODISQ = PROductivity and DISease Questionnaire