The Greek Version of the Chronic Pain Grade Questionnaire (CPGQ)

Study Overview
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Brief Summary
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The aim of the present study is to investigate and report on the psychometric properties of a Greek version of the Chronic Pain Grade Questionnaire (CPGQ).

Detailed Description
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The Chronic Pain Grade Questionnaire (CPGQ) is designed to evaluate overall severity of chronic pain based on two dimensions, pain intensity and pain-related disability. Currently, there is no reliable, valid and sensitive to change self-report instrument as brief and easy to understand and complete as the CPGQ available in Greek. A culturally adapted version of the CPGQ would facilitate the study of chronic pain and its implications in the Greek population and allow for cross-cultural comparisons. The aim of the present study is to examine the validity, reliability and responsiveness of a Greek version of the CPGQ in chronic hip pain sufferers.

Official Title
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Validity, Reliability and Responsiveness of the Greek Version of the Chronic Pain Grade Questionnaire (CPGQ) in Chronic Hip Pain Sufferers

Conditions
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Chronic Hip Pain

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: chronic hip pain (persistent or recurrent hip pain for at least 12 weeks) Exclusion Criteria: severe systemic disease that is a constant threat to life known psychiatric disorder impaired cognition or dementia mother language other than Greek

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Factor analysis of the Greek version of the CPGQ |  | At recruitment (baseline) | 
| Correlations between the CPGQ items, total, subscale scores and the SF-12 PCS, MCS scores |  | At recruitment (baseline) | 
| Cronbach's alpha values for the total scale and each subscale of the Greek version of the CPGQ |  | At recruitment (baseline) | 
| Intraclass correlation coefficient (ICC) values for the total scale and each sub scale of the Greek version of the CPGQ |  | 48 hours | 
| Change in CPGQ total scale and subscale scores | Recruited subjects who will undergo total hip replacement surgery will complete the Greek version of the CPGQ and report their improvement using a dichotomous variable (Yes or No improvement) six months postoperatively. | At recruitment (baseline) and 6 months following total hip replacement surgery | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Percentage of patients who were able to complete the Greek version of the CPGQ by themselves |  | At recruitment (baseline) | 
| Time employed in filling out the Greek version of the CPGQ |  | At recruitment (baseline) | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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questionnaire, hip, pain