Table 2 |
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|
First-order grey-scale statistics of m. vastus lateralis. M. vastus lateralis for n = 9 healthy participants. Average values, (range), and [quartiles] are used for the average value of the 9 participants, whereas the mean, the variance, the skewness, the kurtosis, and the median are used to describe the distribution of the pixels in the individual ROI-images. |
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|
Grey-scale variables |
Longitudinal scans |
Transversal scans |
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|
|
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|
Middle |
Proximal |
Distal |
Medial |
Lateral |
Middle |
Proximal |
Distal |
Medial |
Lateral |
|
|
|
||||||||||
|
Mean |
52.1 |
53.0 |
51.1 |
52.3 |
53.6 |
50.6 |
52.4 |
52.9 |
53.1 |
52.3 |
|
(39.1–68.2) |
(42.0–61.9) |
(39.0–61.4) |
(37.9–61.1) |
(41.1–65.5) |
(42.7–57.2) |
(42.4–58.5) |
(38.5–66.2) |
(38.9–69.7) |
(39.4-64.2) |
|
|
[42.7–60.5] |
[44.6–59.9] |
[42.9–57.6] |
[45.2–58.7] |
[44.1–60.5] |
[45.5–54.7] |
[48.6–57.5] |
[46.7–57.5] |
[46.2–60.1] |
[46.6–60.3] |
|
|
Variance |
381.6 |
410.4 |
403.7 |
414.4 |
399.1 |
403.4 |
418.0 |
396.8 |
394.8 |
397.7 |
|
(299.3–513.5) |
(331.7–503.2) |
(3227–487.0) |
(314.6–543.2) |
(294.7–566.9) |
(361.0–473.3) |
(327.3–480.5) |
(320.6–501.1) |
(330.7–486.2) |
(301.7–521.0) |
|
|
[326.3–400.8] |
[363.5–453.4] |
[358.2–447.3] |
[366.9–456.8] |
[350.8–438.5] |
[366.4–435.5] |
[393.6–456.4] |
[368.8–425.1] |
[360.7–424.5] |
[326.8–460.2] |
|
|
Skewness |
0.7 |
0.7 |
0.8 |
0.8 |
0.6 |
0.9 |
0.8 |
0.7 |
0.7 |
0.8 |
|
(0.2–1.3) |
(0.3–1.1) |
(0.4–1.0) |
(0.5–1.1) |
(0.4–1.0) |
(0.5–1.1) |
(0.6–1.3) |
(0.4–1.1) |
(0.3–1.1) |
(0.5–1.2) |
|
|
[0.5–1.0] |
[0.4–1.1] |
[0.6–0.9] |
[0.6–1.0] |
[0.4–0.8] |
[0.7–1.0] |
[0.6–1.1] |
[0.5–1.0] |
[0.6–0.9] |
[0.6–1.0] |
|
|
Kurtosis |
0.3 |
0.3 |
0.4 |
0.4 |
0.2 |
0.5 |
0.4 |
0.3 |
0.3 |
0.5 |
|
(-0.6–1.8) |
(-0.7–1.3) |
(-0.3–1.0) |
(-0.2–1.6) |
(-0.4–1.2) |
(-0.2–1.1) |
(-0.2–1.6) |
(-0.3–1.2) |
(-0.6–1.2) |
(-0.2–1.7) |
|
|
[-0.3–1.1] |
[-0.4–1.1] |
[-0.2–0.9] |
[-0.1–1.0] |
[-0.4–0.6] |
[0.1–0.8] |
[-0.1–1.0] |
[-0.1–0.9] |
[0.0–0.7] |
[-0.1–1.0] |
|
|
Median |
49.4 |
49.9 |
47.8 |
49.0 |
50.8 |
46.6 |
48.3 |
49.7 |
49.9 |
49.1 |
|
(36.0–68.0) |
(37.0–61.0) |
(36.0–59.0) |
(35.0–57.0) |
(38.0–64.0) |
(37.0–54.0) |
(37.0–54.0) |
(34.0–65.0) |
(35.0–68.0) |
(35.0–62.0) |
|
|
[39.25–58.5] |
[41.0–57.8] |
[38.8–53.8] |
[41.3–56.0] |
[40.3–57.8] |
[41.0–51.0] |
[44.0–54.0] |
[42.5–54.5] |
[43.0–57.0] |
[42.5–57.5] |
|
|
|
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|
Nielsen et al. BMC Musculoskeletal Disorders 2006 7:2 doi:10.1186/1471-2474-7-2 |
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