Predicting treatment adherence and outcome to outpatient multimodal rehabilitation in chronic low back pain.

BACKGROUND: There is a growing need to identify patient pre-treatment characteristics that could predict adherence and outcome following specific interventions. OBJECTIVE: To identify predictors of adherence and outcome to outpatient multimodal rehabilitation in chronic low back pain (CLBP). METHODS: A total of 273 CLBP patients participated in an exercise-based rehabilitation program. Patients who completed ⩾ 70% of the treatment course were classified as adherent. Patients showing a post-treatment reduction of ⩾ 30% in Oswestry Disability Index (ODI) and Visual Analogue Scale (VAS) back pain intensity scores were assigned to the favorable outcome group. RESULTS: Multivariate logistic regression revealed that higher age, higher ability to perform low-load activities, and higher degrees of kinesiophobia increased the odds to complete the rehabilitation program. By contrast, lower levels of education and back pain unrelated to poor posture increased the odds for non-adherence. Furthermore, a favorable outcome was predicted in case the cause for LBP was known, shorter symptom duration, no pain in the lower legs, no difficulties falling asleep, and short-term work absenteeism. CONCLUSIONS: Assessment and consideration of patient pre-treatment characteristics is of great importance as they may enable therapists to identify patients with a good prognosis or at risk for non-responding to outpatient multimodal rehabilitation. [ABSTRACT FROM AUTHOR]

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