Skip to main content

Advertisement

Table 3 Mean Absolute Examiner Differences (cm and VE), and associated ICC (2,1) values

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, N MeanAED, cm Range, cm MeanAED, VE Range, VE ICC(2,1) SEM (cm) Rating
Cervical spine
 27 All subjects 1.3 0.0–3.2 0.7 0.0–1.8 0.60 (0.30, 0.80) 1.1 Good
 21 Both examiners confident 1.2 0.0–3.2 0.7 0.0–1.8 0.66 (0.35, 0.85) 1.0 Good
 6 ≥1 examiner not confident 1.8 0.8–2.6 1.0 0.4–1.4 0.42 (0.00, 0.89)a 1.3 Fair
Thoracic spine
 52 All subjects 4.0 0.0–14.8 1.7 0.0–6.4 0.31 (0.05, 0.54) 3.9 Poor
 21 Both examiners confident 2.0 0.2–7.5 0.9 0.1–3.3 0.83 (0.63, 0.93 1.9 Excellent
 21 One examiner not confident 4.5 0.0–14.8 2.0 0.0–6.4 0.00 (0.00, 0.28)a 4.3 Poor
 10 No examiners confident 7.1 1.4–14.6 3.1 0.6–6.3 0.00 (0.00, 0.28)a 4.3 Poor
Lumbar spine
 34 All subjects 2.6 0.2–7.1 0.7 0.1–1.8 0.39 (0.06, 0.64) 2.3 Poor
 19 Both examiners confident 2.4 0.2–7.0 0.6 0.1–1.8 0.09 (0.00, 0.52)a 2.2 Poor
 15 ≥1 examiner not confident 2.9 0.0–7.1 0.7 0.0–1.8 0.52 (0.03, 0.81) 2.5 Fair
Combined dataset
 113 All subjects Intentionally blank 1.2 0.0–6.4 Intentionally blank
 61 Both examiners confident 0.7 0.1–1.8
 36 1 examiner confident 1.5 0.0–6.4
 16 No examiners confident 2.1 0.0–6.3
  1. Abbreviations: MeanAED Mean Absolute Examiner Differences, VE vertebral equivalent, ICC intraclass correlation, SEM standard error of measurement
  2. aNegative ICC value reported as 0.00