Predicting Response to Interventional Pain Management Techniques in Chronic Low Back Pain in a Prospective Cohort.

Exclusion Criteria

• •Patients that have not undergone the interventional pain management technique. The interventional pain management technique is considered not performed if it is not done after a twelve month period after recruitment.
• •Patients who are not willing to participate.
• •Patients of whom it is impossible to obtain data of response.
• •Patients who undergo low back surgery while they are in the study.
• •Patients who suffer from an intercurrent disease that may interfere with the evaluation of chronic lumbar pain.
• •Patients who suffer from myofascial pain syndromes.
• •Patients who undergo pulsed radiofrequency denervation for the treatment of sacroiliac joint syndrome.