Table II.
Inter-rater reliability of ultrasound measurements
| MS | Day I Mean (SD) | Day II Mean (SD) | ICC | 95% CI | p-value | |
|---|---|---|---|---|---|---|
| MT, cm | 10 | 2.10 (0.39) | 2.04 (0.37) | 0.936 | 0.885–0.964 | < 0.001 |
| 15 | 2.40 (0.51) | 2.27 (0.47) | 0.96 | 0.819–0.984 | ||
| 20 | 2.23 (0.46) | 2.13 (0.45) | 0.965 | 0.889–0.985 | ||
| all | 2.24 (0.47) | 2.15 (0.44) | 0.958 | 0.900–0.978 | ||
| SAT, cm | 10 | 0.52 (0.37) | 0.44 (0.31) | 0.971 | 0.859–0.989 | < 0.001 |
| 15 | 0.66 (0.49) | 0.57 (0.41) | 0.978 | 0.887–0.992 | ||
| 20 | 1.00 (0.77) | 0.88 (0.67) | 0.984 | 0.928–0.994 | ||
| all | 0.72 (0.60) | 0.63 (0.52) | 0.983 | 0.926–0.993 | ||
| CSA, cm² | 10 | 11.94 (3.34) | 10.18 (2.84) | 0.864 | 0.154–0.956 | < 0.001 |
| 15 | 16.68 (5.18) | 14.58 (4.44) | 0.901 | 0.484–0.965 | ||
| 20 | 17.70 (6.47) | 15.61 (5.65) | 0.931 | 0.671–0.974 | ||
| all | 15.44 (5.71) | 13.46 (5.02) | 0.929 | 0.608–0.973 |
MT: muscle thickness; SAT: subcutaneous adipose tissue thickness; CSA: crosssectional area; MS: measurement site; ICC: intraclass correlation coefficient; 95% CI: 95% confidence interval; SD: standard deviation.