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Table 2 Salient features based on regional involvementof the spine

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

   Cervical (255) Thoracic (72) Lumbar (397)
Gender Male 36% (92) 36% (26) 42% (166)
  Female 64% (163) 64% (46) 58% (231)
Age (Yrs) Range 19 – 82 20 – 83 20 – 90
  Mean ± SEM 43 ± 0.9 44 ± 1.8 47 ± 0.8
Height (inches) Range 50 ± 78 59 ± 76 56 ± 78
  Mean ± SEM 67 ± 0.25 67 ± 0.44 67 ± 0.21
Weight (lbs) Range 92 ± 350 100 ± 330 92 ± 370
  Mean ± SEM 177 ± 3.10 173 ± 5.22 184 ± 2.51
Duration of Pain (months) Range 6 ± 588 6 ± 495 6 ± 612
  Mean ± SEM 96 ± 6.31 83 ± 10.82 106 ± 5.79
Mode of onset of pain Gradual 51% (130) 58% (42) 50% (198)
  Following an incident 49% (122) 42% (30) 50% (199)
Distribution of pain Left 15% (39) 18%(13) 14%(54)
  Right 16% (40) 18%(13) 14% (57)
  Bilateral 69% (176) 64%(46) 72% (286)
Previous surgery 18% (44) 6% (4) 32% (127)
Number of joints involved Two 26% (66) 6% (4) 79% (313)
  Three 70% (179) 69% (50) 20% (80)
  More than three 4% (10) 25% (18) 1% (4)