Fig. 3From: Delta large-channel technique versus microscopy-assisted laminar fenestration decompression for lumbar spinal stenosis: a one-year prospective cohort studyAB The patients in the two groups were followed up according to the modified MacNab criteria at 12 months after the operation, in which the excellent rate was 83.87% in the FE group and 85.71% in the microscope group, with no statistical difference between the two groups (P > 0.05)Back to article page