Fig. 2From: An observational study on trajectories and outcomes of chronic low back pain patients referred from a spine surgery division for chiropractic treatmentCourse of bio-psycho-social impairment (Bournemouth Questionnaire) over 6 months after start of chiropractic treatment. Bars represent mean and error bars represent 95% confidence intervals. ** 0.001 < p < 0.01. *** p ≤ 0.001Back to article page