Subchondral fatigue fracture of the femoral head in young military recruits: Potential risk factors

doi:10.12998/wjcc.v11.i28.6733

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Oct 6, 2023 (publication date) through Feb 18, 2025

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World Journal of Clinical Cases

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World J Clin Cases. Oct 6, 2023; 11(28): 6733-6743
Published online Oct 6, 2023. doi: 10.12998/wjcc.v11.i28.6733

Table 2 Acetabular coverage indicators of subchondral fatigue fracture of the femoral head and osteonecrosis of the femoral head patients

	SFFFH (n = 98)	ONFH (n = 24)	P value	t-value
AVsup (°)	11.7 (11.2-12.3)	11.4 (10.8-12.1)	0.498	0.678
AVcen (°)	12.5 (12.2-12.9)	11.6 (11.1-12.1)	0.005	2.813
AASA (°)	65.0 (64.3-65.6)	69.5 (68.5-70.5)	1.469e-13¹	-7.639
PASA (°)	89.9 (89.3-90.5)	91.1 (90.0-92.2)	0.063	-1.863
SASA (°)	122.8 (122.4-123.2)	122.3 (121.5-123.0)	0.234	1.192
NSA (°)	134.8 (134.4-135.2)	131.4 (130.9-131.9)	2.2e-16¹	10.128
IIA (°)	63.9 (63.5-64.2)	64.5 (64.0-65.0)	0.040¹	-2.064
IPA (°)	31.1 (30.9-31.3)	30.7 (30.3-31.1)	0.068	1.829

¹Statistical significance.

AASA: Anterior acetabular sector angle; AVcen: Acetabular anteversion of the center of the acetabulum; AVsup: Acetabular anteversion of the superior acetabulum; BMI: Body mass index; IIA: Inferior iliac angle; IPA: Ischiopubic angle; NSA: Neck-shaft angle; ONFH: Osteonecrosis of the femoral head; PASA: Posterior acetabular sector angle; SASA: Superior acetabular sector angle; SFFFH: Subchondral fatigue fracture of the femoral head.

Citation: Yang JZ, Chen P, Chen BH, Zhao B. Subchondral fatigue fracture of the femoral head in young military recruits: Potential risk factors. World J Clin Cases 2023; 11(28): 6733-6743
URL: https://www.wjgnet.com/2307-8960/full/v11/i28/6733.htm
DOI: https://dx.doi.org/10.12998/wjcc.v11.i28.6733