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Table 1 Neurogenic Claudication

From: Outcomes of decompression for lumbar spinal canal stenosis based upon preoperative radiographic severity

All patients in this study had 'classic' neurogenic claudication defined as:
1. Bilateral posterior thigh and, often, calf discomfort characterized by pain, parasthesias, tiredness, and heaviness.
2. Brought on by walking (usually < a city block) and standing (usually < five minutes).
3. Relieved by sitting or lying down.
4. Positive MRI demonstrating canal stenosis.
5. Absence of significant vascular impairment to the lower extremities, absence of peripheral neuropathy, absence of severe DJD of hips, and absence of cardiopulmonary insufficiency.