Table 1.

Sample Demographics of Patients Undergoing Total Knee Arthroplasty and Total Hip Arthroplasty.

Demographics	Total Knee Arthroplasty	Total Hip Arthroplasty
Number (n)	118	62
Age	64 (55.8–86.0)	58 (46.5–65.0)
Gender	64 Female/54 male	30 Female/34 male
Mean Charlson Comorbidity Index	0 (0–1)	0 (0–1)
Postoperative complications at 6 wk	0	0

Values presented as median and 25th and 75th interquartile range or absolute number. Unpaired, nonparametric Mann-Whitney t tests were used to calculate P values.