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Table 1 Demographic features

From: Prevalence of facet joint pain in chronic spinal pain of cervical, thoracic, and lumbar regions

   One Region (297) Two Regions (182) Three Regions (21) Total (500)
Gender Male 44% (131) 36% (66) 33% (7) 41.0% (204)
  Female 56% (166) 64% (116) 67% (14) 59.0% (296)
Age (Yrs) Range 19 – 90 20 – 83 22 – 63 19 – 90
  Mean ± SEM 50* ± 1.0 44* ± 1.0 40 ± 2.9 47 ± 0.7
Height (inches) Range 50 – 78 56 – 78 60 – 72 50 – 78
  Mean ± SEM 67 ± 0.2 66 ± 0.3 66 ± 0.7 67 ± 0.4
Weight (lbs) Range 95 – 370 92 – 350 102 – 330 92 – 370
  Mean ± SEM 181 ± 2 180 ± 4 184+ 12 181 ± 3
  1. * Indicates significant difference compared to the group with involvement of three regions (p < .001)