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Table 5 Testing ODI Construct Validity

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

ODI-U Total Score Difference Mean ± SD P -Value
Patients 18.37 ± 10.18 < 0.001
Healthy 8.95 ± 5.74  
Difference (SE) 9.41 ± 1.65  
Pearson’s Correlation Coefficient r P -Value
Between ODI-U and VAS pain 0.49 < 0.001
Between ODI-U and VAS disability 0.51 < 0.001
Between ODI-U and SF-36 Domains   
ODI-U and Physical Functioning (PF) −0.57 <.001
ODI-U and Role Physical (RP) −0.61 <.001
ODI-U and Bodily pain (BP) −0.54 <.001
ODI-U and General Health (GH) −0.43 <.001
ODI-U and Vitality (VT) −0.59 0.12
ODI-U and Social Functioning (SF) −0.63 <.001
ODI-U and Role Emotional (RE) −0.55 <.001
ODI-U and Mental Health (MH) −0.48 <.001