Urdu version of Oswestry disability index; a reliability and validity study

Abstract Background Oswestry Disability Index (ODI) is broadly used in clinical and research settings for assessing the disability level patients with lumbar radiculopathy but it has not been translated into Urdu language according to pre-established translation guidelines as well validity reliability of ODI version tested yet. The aim this study was translate native (ODI-U) recommended measure its psychometric properties speaking suffering from lumber radiculopathy. Methods Out 108 participants, 54 were healthy (who filled ODI-U) administered through ODI-U, visual analogue scales (VAS disability), pain intensity pain) SF-36 at baseline after 3 days. Reliability investigated test-retest method, internal consistency, standard error measurement (SEM) smallest detectable change (SDC). ODI-U assessed exploratory factor analysis, construct (convergent discriminative) content validity. Alpha < 0.05 considered statistically significant standards evaluated contrary priori hypothesis. Results revealed excellent total score (ICC 2,1 = 0.95) all item 0.72–0.98). Cronbach’s alpha 0.89 showed consistency moderate correlation between each spearman’s coefficient ( r 0.51–0.76). One structure created, explaining 52.5% variance. There no floor ceiling effect score. Content conducting interviews incorporating expert’s opinions. discriminative measured by independent sample t-test, where difference P 0.001) observed. convergent Pearson’s showing positive VAS 0.49) 0.51) negative domains − 0.43to 0.63). Conclusion adequate properties. found be a reliable valid tool Urdu-speaking