An observational retrospective/horizontal study to compare oxygen-ozone therapy and/or global postural re-education in complicated chronic low back pain

This 2014 observational retrospective study assessed the effectiveness of oxygen-ozone therapy (O2-O3), global postural re-education (GPR), and their combination in 60 patients with complicated chronic low back pain. Patients were divided into three groups: O2-O3 therapy alone, GPR alone, and combined O2-O3 plus GPR. Pain severity was measured using the