Skip to main content

Table 1 Reproducibility of wrist and metacarpalphalangeal three-dimensional measures across sessions

From: Three-dimensional and thermal surface imaging produces reliable measures of joint shape and temperature: a potential tool for quantifying arthritis

3D measure Wrist Metacarpophalangeal
  1 2 3 4 5 6 7 1 2 3 4 5 6
Volume, ml              
   Mean, ml 55.8 47.8 38.5 39.2 55.0 53.3 66.8 16.7 4.3 8.9 4.0 9.5 7.3
   SD, ml 0.7 0.6 0.2 0.2 0.6 2.1 0.5 0.2 0.02 0.1 0.1 0.1 0.1
   CV (%) 1.3 1.2 0.6 0.4 1.0 4.0 0.8 1.3 0.4 1.5 1.3 0.9 2.0
SDI, mm              
   Mean, mm 10.3 9.3 7.3 7.5 9.0 9.8 10.8 6.7 4.2 5.1 4.5 5.4 4.9
   SD, mm 0.2 0.1 0.1 0.03 0.2 0.1 0.02 0.1 0.04 0.1 0.03 0.05 0.04
   CV (%) 2.1 1.0 1.2 0.4 1.8 0.7 0.2 1.9 1.0 1.0 0.7 0.9 0.8
  1. 3D, three-dimensional; CV, coefficient of variation; SD, standard deviation; SDI, surface distribution index.