Table 1.

Patient demographics, gender distribution and component details

Demographics	ASR Resurfacing	ASR XL Head
Number of patients	8	28
Number of hips	8	32
M:F (% female)	5:3 (37,5)	15:13 (46,4)
Mean age in yrs (range)	47 (33 to 57)	52 (40 to 61)
Mean body mass index in kg/m2	24,5 (21,3 to 27,7)	27,8 (21,6 to 37,6)
Mean acetabular size in mm	55 (50 to 58)	52 (46 to 58)
Mean femoral size in mm	49 (45 to 51)	46 (41 to 51)

All values are mean and shown with their range.