Comments on “Nonoperative Management of the Adult Spinal Deformity Patient: A Biopsychosocial Intervention versus Care-as-usual - A Comparative Treatment-Based Cohort Study with One-Year Follow-Up”

Abstract

the AdIS:DN ratio. The authors state that baseline differences were “corrected” by calculating baseline-to-one-year difference scores and that weak correlations between selected baseline variables and ODI change rendered those differences not relevant. 1 However, change-score analysis does not itself adjust for confounding or baseline imbalance