Table 1. Summary of the subjects’ background data.

Age (years)	63.2 ± 11.4
Sex
Female	92
Male	21
Height (cm)	154.7 ± 7.9
Weight (kg)	56.8 ± 10.5
BMI (kg/m2)	23.8 ± 3.8
Diagnosis
Hip OA	100
Osteonecrosis	13
Operation
THA	107
BHA	5
BHR	1
Duration of pain (years)	6.9 ± 8.2

The data are expressed as mean ± SD, unless otherwise specified