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Table 4 Median Absolute Examiner Differences and Median Absolute Deviations (cm and VE)

From: The reliability of spinal motion palpation determination of the location of the stiffest spinal site is influenced by confidence ratings: a secondary analysis of three studies

N Subset MedianAED, cm MADmedian, cm MedianAED, VE MADmedian, VE
Cervical
 27 All subjects 1.1 0.7 0.6 0.4
 21 Both examiners confident 1.0 1.0 0.6 0.6
 6 ≥1 examiner not confident 1.7 0.7 0.9 0.4
Thoracic
 52 All subjects 2.5 2.0 1.1 0.9
 21 Both examiners confident 1.5 1.0 0.7 0.4
 21 One examiner not confident 3.0 2.4 1.3 1.0
 10 No examiners confident 5.0 2.0 2.2 0.9
Lumbar
 34 All subjects 2.5 1.8 0.6 0.4
 19 Both examiners confident 2.3 1.7 0.6 0.4
 15 ≥1 examiner not confident 1.7 0.7 0.4 0.2
Combined dataset
 113 All subjects 2.1 1.4 0.7 0.5
 61 Both examiners confident 1.4 0.9 0.6 0.4
 36 1 examiner confident 2.9 1.8 1.0 0.5
 16 No examiners confident 4.1 2.8 1.8 1.1
  1. Abbreviations: MedAED Median Absolute Examiner Difference, MADmedian Median Absolute Deviation, VE vertebral equivalent