Effectiveness of Pilates exercise compared to usual care and physical activity in improving functional ability in people with chronic low back pain.

swith or without usual care;astatistically significant between group difference;+reported as statistically significant in the study.无论是否接受常规诊疗；组间存在统计学显著性差异；且该结果在本研究中被报告为具有统计学显著性。