2.3. Eligible criteria
cord injury, lumbar disc herniations, lumbar spondylolisthesis, lumbar fissures, tumors, Diseases and Syndromes
BONE TUBERCULOSIS, TUMORS, DISEASES, ANKYLOSING SPONDYLITIS
According to Criteria of Diagnosis and Therapeutic Effect of Diseases and Syndromes in Traditional Chinese Medicine,Inclusion criteria were as follows: age between 20 and 60 years (inclusive); in line with the above-mentioned diagnostic criteria for chronic NSLBP; and ability to comply with the study protocol and provide informed consent.Exclusion criteria were as follows: previous spinal cord injury or surgery; suffering from ankylosing spondylitis, lumbar fissures, lumbar disc herniations, or lumbar spondylolisthesis; being pregnant or nursing; or suffering from bone tuberculosis, tumors or other lesions caused by medical system diseases.