Table 2a.

Patient Distribution Across Adjusted Covariates Among Cases (Dislocation) and Controls (No Dislocation) With Univariate Analysis of Risk of Dislocation.

	No Dislocation		Dislocation		p-value
	N	Mean (SD)	N	Mean (SD)
Age	247	67.0 (11.8)	67	63.6 (12.2)	0.0968
BMI	240	27.8 (5.4)	63	28.2 (5.2)	0.2564
Gender					0.4109
Female	136	55.1	42	62.7
Male	111	44.9	24	35.8
Head size					0.0111
<36	128	51.8	48	71.6
> = 36	119	48.2	19	28.4