Fig. 1From: The impact of incidental durotomy on the outcome of decompression surgery in degenerative lumbar spinal canal stenosis: analysis of the Lumbar Spinal Outcome Study (LSOS) data—a Swiss prospective multi-center cohort studySSM symptoms and function and EQ-5D-EL at baseline, 6, 12, and 24 months (durotomy/no-durotomy group)Back to article page