Table 1: Demographic data.

Parameter	N	Mean	Range
Gender (male/female)	19/82
Age (years)		65.2	52 - 86
BMI (kg/m2) obese/nonobese	25/76	23.2 ± 3.15	14.4 - 32.7
Surgical position Lateral/supine (number of hips)	76/32
Diagnosis OA/ ON (number of hips)	96 /12