Psychometric properties of chronic low back pain diagnostic classification systems: a systematic review.
Ahmed Omar AbdelnaeemAliaa Rehan YoussefNesreen Fawzy MahmoudNadia Abdalazeem FayazRobert ViningPublished in: European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society (2021)
Multiple low risk of bias studies demonstrate strong inter-rater reliability for OCS classification specifically OCS-MCI subcategory. Future studies with low risk of bias are needed to evaluate reliability and validity of the MCI test battery and the PBA.