Table 1.

Patient factors and risk of dislocation after primary THA

Patient Factors	All Patients N = 7040	No Dislocation N = 6893	Dislocation N = 147	p-value
Age (mean ± sd)	66 ±11	66 ±11	68 ±13	0.01 †
LEAS (mean ± sd)	10 ± 3	10 ± 3	9 ± 3	0.001 §
% Female	57.7%	57.7%	59.2%	0.72 ¶
BMI (mean ± sd)	28 ± 6	28 ± 6	27 ± 5	0.24 †
Bilateral hips	4.2%	4.2%	3.4%	0.62 ¶
Primary Diagnosis	93.8% OA, 2.4% RA, 3.8% Other	93.8% OA, 2.4% RA, 3.8% Other	91.8% OA, 2.7% RA, 5.5% Other	0.72 ¶

^†two sample t-test

^§Wilcoxon rank-sum test

^¶Chi-square test