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Table 2 A summary of the patient demographics and self-reported functional outcomes (ODI and VAS)

From: Identifying predictors for postoperative clinical outcome in lumbar spinal stenosis patients using smart-shoe technology

   Baseline Follow-up
   (N=15) (N=17)
Patient demographics Age 58.4±16.8 -
  Gender 11 female / 3 male -
  Self-rated walking ability (0 to 3) 2.2±0.86 -
  Presence of scoliosis 1 yes / 14 no -
  Presence of acute injury 4 yes / 11 no -
  Number of affected spinal vertebrae 2.13±0.35 -
  Number of previous spinal surgeries 0.27±0.46 (4 subjects had 1, 11 had 0) -
  Duration of symptoms 51.1±88.2 days -
  BMI 26.3±5.04 -
  Smoking status 2 yes / 13 no -
Important spatiotemporal measurements StdTime-P2P3-Max 0.12±0.096 -
  CrossCorr-P2 4.2×104±2.7×104 -
  AutoCorr-P2-Mean 0.77±0.057 -
  SumMag-P2-Min 1.2×104±5.7×103 -
  MeanTime-P2P3-Mean 0.18±0.070 -
  AutoCorr-P5-Min 0.81±0.040 -
  SumMag-P2-Min 1.1×104±5.7×103 -
  MeanTime-P1P2-Max 0.18±0.15 -
Functional outcome ODI 40.2±19.2 77.3±20.2
  VAS - Pain 49.9±34.5 33.4±31.9