Evaluation of muscle volume and degeneration after total hip arthroplasty: a comparison of the posterolateral approach and the anterolateral supine approach

Table 1 Demographic data of the patients

Variable	PL group	AL group	P value
Sex	Male, 9; female, 26	Male, 3; female, 26	0.12
Age (years)	67.1 ± 9.9	67.4 ± 10	0.79
Body mass index (kg/m²)	26.5 ± 5.2	22.6 ± 4.7	0.004
Diagnosis	OA, 30; ION, 4; RDC 1	OA, 18; ION, 4; RDC, 1; RA, 4	0.23
Preoperative leg discrepancy (mm)	− 9.9 ± 9.1	− 6.5 ± 7.2	0.02
Preoperative offset (mm)	46.9 ± 7.4	48.7 ± 8.7	0.23

AL anterolateral approach, ION idiopathic osteonecrosis of the hip, OA osteoarthritis, PL posterolateral approach, RA rheumatoid arthritis, RDC rapidly destructive coxarthrosis

ISSN: 1749-799X