As per preceding commendation, Modified Oswestry Low Back Pain Scale will be translated into Urdu language from its English version and adapted culturally in Pakistan. 100 individuals will be selected on the basis of convenience sampling with clinical characteristics. The patient will answer the questionnaire package that included the Urdu version Modified Oswestry Low Back Pain Scale, Quebec back pain disability scale, Roland-Morris disability questionnaire and Visual analogue scale on the same day, with a 30-minute delay between the first and second application. Observer-1 will be conducting a third assessment after 7 days for intra-observer evaluation. Statistical Package of Social Sciences Version 24 will be used to enter and evaluate the data. Internal consistency will be measured using the Cronbach alpha value. To evaluated test-retest reliability, an intraclass correlation coefficient will be employed. The Modified Oswestry Low Back Pain Scale will be evaluated for content validity, construct validity, criterion validity, and responsiveness.
The ultimate goal of this study is to interpret Modified Oswestry Low Back Pain Scale into Urdu and analyse its reliability and validity in the population of Pakistan lumber radiculopathy patients. Examine its correlation with Quebec back pain disability scale and the visual analogue scale, as well as the Roland-Morris disability questionnaire.