Table 4.

Best Evidence Synthesis of Measurement Properties of the RMDQ and ODI in Head-to-Head Comparison Studies Conducted in Patients With Nonspecific Low Back Pain^{^a}

↵^a RMDQ=Roland-Morris Disability Questionnaire, ODI=Oswestry Disability Index, ?=unknown due to only studies of poor methodological quality or no studies on that measurement property, +/–=conflicting findings, +=consistent positive findings, –=consistent negative findings.