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The aim of this study is to translate the original questionnaire into Dutch and test its test-retest reliability in patients with PFPS in the Netherlands.


- candidate number10988
- NTR NumberNTR3258
- ISRCTNISRCTN wordt niet meer aangevraagd.
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR20-jan-2012
- Secondary IDs12-N-12 AVANS PLus/hogeschooL Zuyd
- Public TitleThe aim of this study is to translate the original questionnaire into Dutch and test its test-retest reliability in patients with PFPS in the Netherlands.
- Scientific TitleTest-retest reliability from Kujala Patellofemoral painscore Dutch version in patients with PFPS.
- ACRONYM
- hypothesisThe kujala patellofemorla painscore has a good test-retest reliability and also the internal consistency is good.
- Healt Condition(s) or Problem(s) studiedPatellofemoral pain
- Inclusion criteria1. Age between 14 and 60 years;
2. Sufficient knowledge of the Dutch language;
3. The presence of at least three of the following symptoms:
A. Pain when walking up and down the stairs;
B. Pain when squatting;
C. Pain when running;
D. Pain when cycling;
E. Pain when sitting with knees flexed for a prolonged period of time;
F. Grinding of the patella and a positive clinical patella test (such as Clarke’s test or patellar femoral grinding test).
- Exclusion criteriaSubjects are excluded if they have patellar tendinopathy, Osgood-Schlatter disease, or other defined pathological conditions of the knee, or had previous knee injuries or surgery.
- mec approval receivedyes
- multicenter trialno
- randomisedno
- groupParallel
- TypeSingle arm
- Studytypeobservational
- planned startdate 20-jan-2012
- planned closingdate18-dec-2012
- Target number of participants50
- InterventionsThe Kujala patellofemoral score comprises 13 questions. These questions inquire whether there is pain during walking up and down stairs, squatting, running, jumping, weight bearing, and prolonged sitting with the knee in flexion; whether there is limping, swelling, and subluxation of the patella; atrophy in quadriceps muscle, flexion deficiency and pain. The total score ranges from 0 to 100, a higher score indicating less complaints.
- Primary outcome1. Test-retest reliability;
2. Internal reliability.
- Secondary outcomeThe smallest detectable change (SDC)
- TimepointsThe questionnaire takes place during the first intake or during the (current) treatment. The patient must complete the questionnaire independently. To estimate test-retest reliability, the same questionnaire is re-administered to the same subjects after an one-week interval.
- Trial web siteN/A
- statusopen: patient inclusion
- CONTACT FOR PUBLIC QUERIES P.E.J. Ummels
- CONTACT for SCIENTIFIC QUERIES P.E.J. Ummels
- Sponsor/Initiator Hogeschool Zuyd
- Funding
(Source(s) of Monetary or Material Support)
Hogeschool Zuyd, AVANS PLus
- PublicationsN/A
- Brief summaryValid and reliable questionnaires are essential to evaluate the effectiveness of our interventions. To evaluate patellofemoral symptoms, Dutch physiotherapists often used the VAS for pain and the patient specific complaints (PSK) for daily activities. These measures aren’t specific to evaluate patellofemoral symptoms. For the Dutch population with patellofemoral pain syndrome, the Kujala patellofemoral score has not yet been validated. The aim of this study is to translate the original questionnaire into Dutch and test its test-retest reliability in patients with PFPS in the Netherlands.
- Main changes (audit trail)
- RECORD20-jan-2012 - 7-feb-2012


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