Table 5 Intra-rater reliability and agreement -ICC values and corresponding confidence intervals and mean difference with agreement intervals
Muscle | Repeatability between days - same image measured on two separate occasions | Repeatability between scans – measurement of two different images of the same muscle | ||
|---|---|---|---|---|
ICC (95% CI) | Mean difference (95% LoA)(mm) | ICC (95% CI) | Mean difference (95% LoA)(mm) | |
Right Lcol | 0.97 (.94–.98) | 0.00 (−0.90; 0.90) | 0.82 (.70–.89) | 0.03 (−2.07; 2.14) |
Right Rcpm | 0.95 (.89–.97) | 0.17 (−0.73; 1.95) | 0.86 (.75–.93) | −0.17 (−1.57; 1.23) |
Right Dce | 0.81 (.70–.89) | 0.02 (−1.70; 1.74) | 0.52 (.29–.70) | −0.11 (−2.66; 2.44) |
Right Sscap | 0.97 (.95–.99) | −0.01 (−0.34; 0.32) | 0.95 (.91–.97) | 0.02 (−0.37; 0.37) |