Progress and evaluation on subgroup classification system of low back pain
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Abstract
Low back pain (LBP) is a common occupational disorder or work-related disorder, which has the characteristics of high prevalence, heavy disease burden, and poor treatment effect. The confounding caused by sample heterogeneity can affect the effectiveness of prevention and treatment of LBP, and more detailed subgroup classification can partly solve this problem. The article introduced the significance of LBP classification and the development of classification system, and summarized the development process and results of three classic classification systems (McKenzie's classification, Quebec task force classification, and O'Sullivan's classification) and two new classification systems (Billis's classification and Nielsen's classification). According to the Buchbinder evaluation criteria, these five classification systems were evaluated from seven aspects including purpose, content validity, face validity, feasibility, construct validity, reliability, and generalizability. The evaluation results showed that the overall scores of the classic classification systems were higher, and the scores of the new systems in construct validity, reliability and generalizability were lower. According to the evaluation results, further improvement direction for classifying LBP subgroups was proposed. The classic classification systems require substantial improvement, and the new classification systems need more clinical applications to verify and improve its validity, so as to facilitate the studies on mechanism of LBP and the prevention and treatment of LBP.
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