Table 3 Mean, inter-operator and intra-operator reliability of shear modulus measurements in healthy subjects (validation set, n = 15)
Measurements | Healthy subjects (n = 15) |  | |||||
|---|---|---|---|---|---|---|---|
Measures (n) | Operator 1 Mean (SD) | Operator 2 Mean (SD) | t-test (p value) | Inter-operator reproducibility (ICC) | Intra-operator 1 reliability (ICC) | Intra-operator 2 reliability (ICC) | |
Diaphragm shear modulus (kPa) | 54 | 20 (7.3) | 20.6 (6.1) | 0.74 | 0.96 [0.85–0.99] | 0.95 [0.82–0.99] | 0.90 [0.70–0.98] |
Biceps brachii shear modulus (kPa) | 52 | 22.7 (4.3) | 24.8 (6.8) | 0.19 | 0.91 [0.54–0.98] | 0.95 [0.83–0.99] | 0.96 [0.87–0.99] |
Rectus femoris shear modulus (kPa) | 52 | 11.3 (2.4) | 11.8 (2) | 0.41 | 0.97 [0.77–0.99] | 0.92 [0.70–0.98] | 0.95 [0.82–0.99] |