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. 2016 Nov 12;117(1):73–82. doi: 10.1007/s00421-016-3500-1

Table 2.

Summary of US AT CSA measurements (mean ± SD) showing coefficients of variation (CV), intraclass correlation coefficients (ICC(2,2)), standard error of measurement (SEM), minimal detectable change (MDC95), confidence interval (95% CI) for intra- and inter-rater reliability for raters (1, 2), measurement positions (distal, proximal) and sessions (1 and 2)

Distal ICC(2,2) 95% CI SEM MDC95 Proximal ICC(2,2) 95% CI SEM MDC95
Session 1 Session 2 Session 1 Session 2
AT CSA CV AT CSA CV AT CSA CV AT CSA CV
US
 Intra-rater
  Rater 1 56.5 ± 10.8 4.7 54.9 ± 8.8 3.7 0.93 0.78–0.96 0.77 2.16 49.7 ± 7.7 3.6 49.4 ± 6.3 4.9 0.89 0.67–0.96 0.70 1.94
  Rater 2 60.2 ± 6.3 1.9 60.6 ± 8.3 1.5 0.90 0.71–0.97 0.73 2.05 54.4 ± 7.5 1.6 55.1 ± 7.7 1.7 0.97 0.91–0.99 0.22 0.61
 Inter-rater 58.1 ± 8.2 7.3 0.89 0.01–0.97 1.22 3.38 52.2 ± 6.9 7.1 0.84 0.16–0.97 1.47 4.07

AT-CSA in mm2; CV in %; SEM in mm2; MDC95 in mm2