Table 4.
Fisher’s z-scores (obtained from the transformation of the Pearson’s r values presented in Table 3) for the trained rater (rater 1), the novice rater (rater 2), and for the trained rater after MRI assessment.
| Fisher’s z-scores Rater 1, rater 2, rater 1 assessment n2 (post MRI assessment) | |||
|---|---|---|---|
| Muscle (distal—0%, to proximal—100%) | Rater 1 (trained) | Rater 2 (novice) | Rater 1 assessment n2 |
| Semimembranosus | |||
| 30% (n = 85) | 1.47 | 0.97 | 1.83 |
| 40% (n = 85) | 1.25 | 1.22 | 1.73 |
| 50% (n = 85) | 1.12 | 0.84 | 1.29 |
| 60% (n = 70)a | 0.44 | 0.23 | 0.43 |
| Mean ± SD | 1.07 ± 0.44 | 0.81 ± 0.41 | 1.32 ± 0.63 |
| Semitendinosus | |||
| 30% (n = 85) | 1.22 | 1.18 | 1.52 |
| 40% (n = 85) | 1.22 | 1.33 | 1.47 |
| 50% (n = 85) | 1.58 | 1.37 | 1.83 |
| 60% (n = 85) | 1.47 | 1.02 | 1.66 |
| Mean ± SD | 1.37 ± 0.18 | 1.22 ± 0.16 | 1.62 ± 0.16 |
| Biceps femoris long head | |||
| 30% (n = 85) | 1.42 | 1.12 | 1.37 |
| 40% (n = 85) | 1.42 | 1.33 | 1.59 |
| 50% (n = 85) | 1.37 | 1.22 | 1.65 |
| 60% (n = 84)a | 0.99 | 0.88 | 1.15 |
| Mean ± SD | 1.30 ± 0.20 | 1.14 ± 0.19 | 1.44 ± 0.22 |
| Biceps femoris short head | |||
| 30% (n = 85) | 1.07 | 1.04 | 1.52 |
| 40% (n = 85) | 0.95 | 0.75 | 1.04 |
| 50% (n = 82)a | 0.54 | 0.01 | 1.15 |
| Mean ± SD | 0.85 ± 0.27 | 0.60 ± 0.53 | 1.24 ± 0.25 |
|
All muscles Mean ± SD |
1.17 ± 0.33*** | 0.97 ± 0.39 | 1.42 ± 0.36***,### |
*** p < 0.001 vs. rater 2, ###p < 0.001 for rater 1 n2 (post-MRI) vs. rater 1.
aLower number of subjects due to not visible muscle.