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Table 2 Primary and secondary outcome measures

From: Effectiveness of a physiotherapist delivered cognitive-behavioral patient education for patients who undergoes operation for total knee arthroplasty: a protocol of a randomized controlled trial

Measure

Instrument

Collection points and method

Primary outcome:

Self-reported Pain intensity

Visual Analogue Scale (VAS)

Baseline, 3 and 12 months follow up by post/email

Secondary outcomes:

Self-reported function

SF-36 Physical Function

Baseline, 3 and 12 months follow up by post/email

Self-reported function and pain

Oxford Knee Score (OKS)

Baseline, 3 and 12 months follow up by post/email

Self-reported health status

EQ-5D-3 L

Baseline, 3 and 12 months follow up by post/email

Self-reported pain catastrophizing

Pain Catastrophizing Scale (PCS)

Baseline, 3 and 12 months follow up by post/email

Self-reported daily function and quality of life

Knee injury and Osteoarthritis Score (KOOS)

Baseline, 3 and 12 months follow up by post/email

Self-reported pain self-efficacy

Pain Self-Efficacy Questionnaire (PSEQ)

Baseline, 3 and 12 months follow up by post/email

Daily activity

Tri-axial accelerometer

Baseline, 3 and 12 months follow up by post/email

Physical function

6 min’ walk test (6MWT)

Baseline, 3 and 12 months follow up test in clinic

Physical function

Sit to stand 30 s. (STS30)

Baseline, 3 and 12 months follow up test in clinic

Muscle mass and bone mineral density

DXA scan

Baseline, 3 and 12 months follow up scan in clinic

Other measures

Healthcare visits

Self-report (log book)

0–3 months’ post-operative at home

Smoking

Self-reported questionnaire

Baseline, 3 and 12 months follow up by post/email

Pain killers

Self-reported questionnaire

Baseline, 3 and 12 months follow up by post/email

Alcohol

Self-reported questionnaire

Baseline, 3 and 12 months follow up by post/email

Education

Self-reported questionnaire

Baseline, 3 and 12 months follow up by post/email

Social status

Self-reported questionnaire

Baseline, 3 and 12 months follow up by post/email