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Reliability of the Modified Oswestry Disability Index for evaluating patients with low back pain

ZHENG Guang xin,ZHAO Xiao ou,LIU Guang lin,et alDepartment of Orthopedics,the 309 Hospital,Beijing,100091  
Objective:To determined the reliability of the Oswestry Disability Index(ODI) for evaluating patients with low back pain.Method:22(female 9,male 13) subjects who were inpatients of the orthopedic words were evaluated using the modified ODI in Chinese before operation.They were divided into two groups:intrarater reliability group(n=10) and interrater reliability group(n=12).The patients answered the ODI.The test retest reliability was done in every 3 days and compared using a Pearson Correlation,individually.Result:The highly correlated coefficient of 0 953( t=8 851,P 0 001) and 0 912( t=7 008,P 0 01)were obtained in intrarater reliability group and interrater reliability group individually.Conclusion:The modified ODI in Chinese shows the superior reliability.This assessment method allows the evaluation of multiple parameters of the patient′s function. It can be used to study the clinical outcome of postoperation or rehabilitation in patients with low back pain.
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