Does the placement of acetabular cups differ between right and left sides for a right-handed surgeon operating through a direct lateral approach? A comparative study

Table 1 Basic characteristics of included patients

		Group A (n = 210) (dominant, right THA)	Group B (n = 210) (nondominant, left THA)	P-Value
Age		48 ± 13.3 (23–76)	50.4 ± 12.3 (23–75)	0.065*
Sex
▪ Men		107 (51.0%)	113 (53.8%)	0.589†
▪ Women		103 (49.0%)	97 (46.2%)	0.589†
BMI		24.5 ± 2.9 (19.1–34.3)	23.9 ± 3.4 (18.7–33.2)	0.231*
Diagnosis
▪ AVN		73 (34.8%)	57 (27.1%)	0.210†
▪ RA		50 (23.8%)	45 (21.4%)
▪ FNF		48 (22.9%)	61 (29.0%)
▪ OA		39 (18.6%)	47 (22.4%)
Types of cup fixation
	Total
Cemented	228 (54.3%)	109 (51.9%)	119 (56.7%)	0.327†
Cementless	192 (45.7%)	101 (48.1%)	91 (43.3%)	0.327†
P-Value**	0.079	0.581	0.053

Data were expressed as frequency and % or mean ± SD (range); BMI: body mass index, AVN: avascular necrosis, RA: rheumatoid arthritis, FNF: fracture neck of the femur, OA: osteoarthritis
^*Independent Sample T-test compares the mean difference between both groups
^†Chi-square test compares proportions between both groups
^**Chi-square test compares proportions within Group A and Group B separately

ISSN: 2524-7948