Additional file 3: of The prevalence of low back pain in the emergency department: a descriptive study set in the Charles V. Keating Emergency and Trauma Centre, Halifax, Nova Scotia, Canada

ICD-9/10 coding for definitions of low back pain: “Non-specific/mechanical low back pain with no potential nerve root involvement”, “Non-specific/mechanical low back pain with potential nerve root involvement” and “Low back pain attributed to secondary factors” based on results from the EDIS database. (DOCX 20 kb