Table 4. Metrics for Females of Each Group.
Measurement | North American | East Asian | p-value |
---|---|---|---|
Demographics | |||
Height (cm) | 161 ± 8 | 152 ± 7 | < 0.001 |
Weight (kg) | 78 ± 16 | 58 ± 9 | < 0.001 |
Humeral measurements (mm) | |||
Coronal plane head radius | 45.3 ± 2.8 | 41.3 ± 2.6 | < 0.001 |
Thickness of humeral head | 17.3 ± 1.4 | 16.1 ± 1.6 | 0.002 |
Neck shaft angle (°) | 44.4 ± 4.0 | 42.6 ± 4.1 | 0.072 |
Articular arc angle (°) | 153.0 ± 6.7 | 155.0 ± 6.2 | 0.293 |
Axial plane head radius | 42.4 ± 3.4 | 39 ± 2.2 | < 0.001 |
Scapular measurements (mm) | |||
Lateral distance to acromion | 26.8 ± 4.7 | 30.6 ± 4.2 | 0.001 |
Glenoid height | 33.3 ± 2.4 | 31.9 ± 2.5 | 0.036 |
Superior glenoid width | 21.7 ± 2.6 | 20.3 ± 2.1 | 0.034 |
Inferior glenoid width | 25.6 ± 1.8 | 23.7 ± 2.5 | 0.011 |
Critical shoulder angle (°) | 28.3 ± 4.6 | 34.2 ± 4.6 | < 0.001 |
Glenohumeral relationships (mm) | |||
Lateral distance to GT | 51.3 ± 2.3 | 43.9 ± 4.6 | < 0.001 |
Abduction lever arm | 22.7 ± 2.1 | 22.1 ± 2.0 | 0.200 |
Acromial index (ratio) | 0.52 ± 0.09 | 0.71 ± 0.13 | < 0.001 |
Values are presented as mean ± standard deviation.
GT: greater tuberosity.