From: Digital analysis of external fixation area of proximal humerus fractures in elderly patients
Specimen number | Distance from the inferior border of the acromion to the superior border of the anterior rotator humeral artery (cm) | Distance from the apex of the humeral head to the superior border of the anterior rotator humeral artery (cm) | Distance from the inferior border of the acromion to the superior border of the axillary nerve (cm) | Distance from the apex of the humeral head to the superior border of the axillary nerve (cm) | ||||
---|---|---|---|---|---|---|---|---|
left | right | left | right | left | right | left | right | |
1 | 5.5 | 4.8 | 3.5 | 2.8 | 5.7 | 5.9 | 3.7 | 3.9 |
2 | 5.4 | 5.1 | 3.6 | 3.3 | 5.2 | 5.7 | 3.4 | 3.9 |
3 | 5.3 | 5.7 | 3.4 | 3.8 | 6.9 | 6.2 | 5.0 | 4.3 |
4 | 6.2 | 5.9 | 4.1 | 3.8 | 6.1 | 5.8 | 4.0 | 3.7 |
5 | 6.5 | 6.1 | 4.2 | 3.8 | 5.7 | 6.1 | 3.4 | 3.8 |
6 | 4.6 | 4.8 | 3.1 | 3.3 | 5.4 | 6.3 | 3.9 | 4.8 |
7 | 5.5 | 4.9 | 3.5 | 3.1 | 6.1 | 6.7 | 4.1 | 4.7 |
Mean | 5.52 | 5.33 | 3.63 | 3.41 | 5.91 | 6.13 | 3.92 | 4.16 |
Standard deviation | 0.73 | 0.66 | 0.39 | 0.40 | 0.62 | 0.32 | 0.55 | 0.45 |
t | 0.486 | 1.017 | 0.920 | 0.856 | ||||
p | 0.636 | 0.329 | 0.376 | 0.409 |