Evaluation of three-dimensional acromiohumeral distance in the standing position and comparison with its conventional measuring methods

Table 1 Participant characteristics and two-dimensional (2D) and three-dimensional (3D) measurements of the acromiohumeral distance (AHD) made from images acquired in the standing and supine positions

		All, N = 83	Male, n = 31	Female, n = 52	P (sex difference)
Characteristic	Age, years	40.2 ± 5.8	39.4 ± 4.9	40.7 ± 6.2	.154
	Height, cm	163.0 ± 8.8	171.5 ± 6.0	157.9 ± 5.6	< .001***
	Weight, kg	59.7 ± 12.5	69.7 ± 11.8	53.8 ± 8.5	< .001***
	BMI, kg/m²	22.4 ± 3.7	23.7 ± 3.8	21.6 ± 3.5	< .001***
2D AHD, mm	Standing position	8.8 ± 1.3	9.1 ± 1.4	8.7 ± 1.3	.034*
2D AHD, mm	Supine position	8.1 ± 1.2	8.5 ± 1.3	7.8 ± 1.1	.001**
3D AHD, mm	Standing position	7.3 ± 1.4	7.7 ± 1.5	7.1 ± 1.4	.003**
3D AHD, mm	Supine position	6.6 ± 1.2	7.0 ± 1.4	6.3 ± 1.1	< .001 ***

The data are presented as mean ± standard deviation. BMI body mass index, AHD acromiohumeral distance. *P < .05, **P < .01, ***P < .001

ISSN: 1749-799X