Table 1. Demographic and clinical characteristics of the study participants.
Data are presented as means ± standard deviations for continuous variables and counts for categorical variables. The p-values were calculated using the student's t-test for continuous variables and a two-sided Fisher's exact test for categorical variables.
VR: virtual reality
| Variable | Control (n=18) | VR (n=16) | p-value |
| Age | 71.8 ± 8.6 | 66.3 ± 11.4 | 0.1178 |
| Men/Women | 3/15 | 2/14 | 1 |
| Body mass index (kg/m2) | 25.0 ± 3.2 | 23.5 ± 4.2 | 0.246 |
| Osteoarthritis/osteonecrosis of the femoral head | 17/1 | 15/1 | 1 |
| PerFix/INITIA | 11/7 | 9/7 | 1 |