Multidimensional long-term outcome analysis after single-level lumbar microdiscectomy: a retrospective single-centre study.

Objective: To present multidimensional long-term results after mono-segmental microdiscectomy for lumbar disc herniation (LDH) in a large adult cohort treated at a tertiary care centre.

Methods: Retrospective study design with Oswestry Disability Index (ODI) questionnaire employed at follow-up. All patients undergoing surgical treatment for single-level LDH between 2003 and 2009 were identified.