PSI group (n = 50) | Conventional group (n = 50) | p value | |
---|---|---|---|
Gender, male/female | 12/38 | 11/39 | 0.812 |
Mean age, years | 74.7 ± 9.0 | 74.7 ± 8.1 | 0.948 |
Height, cm | 154.8 ± 8.9 | 154.0 ± 8.5 | 0.912 |
Weight, kg | 64.5 ± 13.3 | 63.4 ± 13.2 | 0.924 |
Body mass index, kg/m2 | 26.5 ± 4.6 | 26.4 ± 4.3 | 0.545 |
Preoperative hip–knee–ankle angle, ° | − 10.3 ± 6.1 | − 10.4 ± 7.1 | 0.658 |