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Table 3 Demographic data for patients in the validation study

From: A diagnostic support tool for lumbar spinal stenosis: a self-administered, self-reported history questionnaire

  LSS (n = 165) The others (n = 85)
Male (%) 47 51
Female (%) 53 49
Mean age (yr) 71 48
Mean duration of symptoms (mo) 28 24
Clinical impressions of patient condition Cauda equina type 78 LDH* 61
  Radicular type 87 DN* 13
   PAD* 11
Findings on MRI   
   One level stenosis 127 12
   Two level stenosis 31 2
   Three level stenosis 7 0
  1. * LDH: Lumbar Disc Herniation, DN: Diabetic Neuropathy, PAD: Peripheral Artery Disease