Table 2. Metrics for North American and East Asian Groups.

Measurement	North American		East Asian		p-value
	Mean ± SD	Range	Mean ± SD	Range
Demographics
Height (cm)	168 ± 10	132–193	164 ± 12	139–189	0.038
Weight (kg)	81 ± 14	48–129	67 ± 12	43–94	< 0.001
Humeral measurements (mm)
Coronal plane head radius	24.6 ± 2.2	19.6–29.1	22.3 ± 1.9	17.9–26.3	< 0.001
Thickness of humeral head	18.5 ± 2.0	13.3–22.8	17.4 ± 2.1	13.5–21.9	0.001
Neck shaft angle (°)	44.2 ± 4.9	27.3–54.9	43.4 ± 4.1	34.1–51.9	0.305
Articular arc angle (°)	153 ± 7.5	132–170	154 ± 5.8	139–166	0.185
Axial plane head radius	22.7 ± 2.3	17.3–28.0	20.9 ± 1.6	17.3–24.3	< 0.001
Scapular measurements (mm)
Lateral distance to acromion	28.0 ± 4.9	16.6–37.7	31.6 ± 3.8	21.4–41.1	< 0.001
Glenoid height	35.8 ± 3.5	29.3–43.0	33.4 ± 2.8	26.1–41.8	< 0.001
Superior glenoid width	23 ± 3.0	17.8–31.1	21.2 ± 2.5	16.2–30.5	0.002
Inferior glenoid width	28 ± 3.2	20.6–36.4	25.7 ± 2.6	19.4–33.5	< 0.001
Critical shoulder angle (°)	27.7 ± 4.8	17.1–37.6	32.8 ± 4.4	22.4–44.7	< 0.001
Glenohumeral relationships (mm)
Lateral distance to GT	54.8 ± 4.4	46.4–63.9	52.0 ± 4.4	44.9–62.2	< 0.001
Abduction lever arm	24.4 ± 2.7	17.1–30.9	24.0 ± 2.6	18.0–31.8	0.408
Acromial index (ratio)	0.52 ± 0.09	0.31–0.75	0.61 ± 0.08	0.42–0.78	< 0.001

SD: standard deviation, GT: greater tuberosity.