Table 1. Summary of Demographic Information for Both Cohorts.

Parameter	No X-ray group	X-ray group	P-value
No. of THAs	100	100	N/A
Age at surgery (yr)	64±10 (31–86)	65±10 (37–89)	0.69
Female	48%	54%	0.40
Body mass index (kg/m2)	29.1±5.4 (19.4–47.6)	28.5±5.1 (18.4–44.1)	0.41

Values are presented as number only, mean±standard deviation (range), or % only.

THA: total hip arthroplasty, N/A: not applicable.