Exploring Variations in Lumbar Canal Width: An MRI Study on Asymptomatic Patients by Age and Gender.

Gender-based differences, while present, did not reach statistical significance ( p > 0.05) at every lumbar level, although males generally exhibited wider spinal canals than females across most levels.

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Lumbar Stenosis Risk by Level The analysis of stenosis risk across the five lumbar levels (L1-2, L2-3, L3-4, L4-5, and L5-S1) revealed significant variations in the proportion of patients at risk for lumbar spinal stenosis, with a clear trend of increased risk at lower lumbar levels.

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