Comparative Effectiveness and Cost-effectiveness of Chuna Manual Therapy for Chronic Neck Pain

Inclusion Criteria: * Chronic neck pain patients (with pain duration of 3 months or longer) * Patients with numeric rating scale (NRS) of radicular pain ≤ neck pain in neck pain patients with or without radiculopathy * Patients with NRS of neck pain ≥5 during the 3 days * Patients who have agreed to trial participation and provided written informed consent Exclusion Criteria: * Patients diagnosed with serious pathology(s) which may cause neck pain (e.g. spinal metastasis of tumor(s), acute fracture, spinal dislocation) * Patients with history of neck surgery * Patients with other chronic disease(s) which may interfere with treatment effect, safety, or interpretation of outcomes (e.g. chronic renal failure, vertebral artery complications, rheumatoid arthritis, Down syndrome) * Patients with progressive neurologic deficit or severe neurologic symptoms such as spinal cord injury * Patients with severe mental illness * Patients currently taking steroids, immunosuppressants, medicine for mental illness or other medication(s) that may interfere with study results * Patients who have received Chuna manual therapy or physical therapy, medicine such as nonsteroidal anti-inflammatory drugs (NSAIDs), or treatment(s) that may influence pain within the past week * Pregnant patients or patients with plans of pregnancy * Patients participating in other clinical studies or otherwise deemed unsuitable by the researchers