A study of more than 6000 chiropractic patients revealed that few (5.4%) of the chiropractic patients used narcotics for their chronic pain, which is substantially lower than the 45% to 60% use typically found in chronic LBP populations.

Herman, Patricia M. et al.Characteristics of Chiropractic Patients Being Treated for Chronic Low Back and Neck Pain. JMPT 2018 Aug 15. [Epub ahead of print]