بکارگیری پرسشنامه اوسوستری به منظور ارزیابی میزان ناتوانی ناشی از کمردرد مزمن، قبل و بعد از یک دوره درمان دارویی در بیماران مراجعه کننده به بیمارستان فوق تخصصی ولی عصر ناجا (عج)

Background: low back pain (lbp) is a major health and economic problem.the aim of this study is to compare pain, and disabling effects of chroniclow back pain in naja-vali asr hospital patients before and after a period ofmedical treatment.materials and methods: in this cross - sectional study of 167 patients withlbp attending naja vali-e- asr (a) hospital, who were under treatment withnsaids for 6 weeks, based on physician’s diagnosis were selected availabilityand using cochran formula. severity and disability from lbp questionnaireof oswestry collected from all patients before and after treatment. a meanchange of less than 10% suggested as partial recovery, while the patients whoreached more than 10% decrease suggested as significant recovery. frequency,mean, standard deviation, t-test and chi-square test were performed usingspss software.results: the results indicated that there is a significant change in the meanscore of pain-related disability before and after treatment (respectively 26.37± 7.89 and 34.76± 8.85, p =0.0001). results also showed 32.3% of patientsreached the recovery level of less than 10% after treatment, while 67.7%achieved 10% or more. results showed a significant association betweengender and the recovery rate (p =0.016)conclusion: the findings showed that medications is effective in reducingdisability from low back pain and oswestry questionnaire also can beperformed beside the medical diagnostic field to assess disability from backpain.