Patient demographic characteristics | Overall (n = 212) | Group 1 (n = 110) | Group 2 (102) | p valuea |
---|---|---|---|---|
Age (years) | 71.6 (60.0–85.0) | 71.8 (60.0–85.0) | 71.3 (61.0–82.0) | 0.692 |
Sex, n (%) | ||||
Female | 191 (90.1) | 102 (93.6) | 89 (86.4) | 0.091 |
Male | 21 (9.9) | 7 (6.4) | 14 (13.6) | |
BMI (kg/m2) | 26.7 (19.5–32.3) | 26.9 (19.5–30.5) | 26.3 (20.1–32.3) | 0.725 |
F/U period (months) | 16.2 (12.0–21.0) | 16.3 (12.0–21.0) | 16.2 (12.0–20.0) | 0.641 |
Side, n (%) | ||||
Right | 97 (45.8) | 51 (46.8) | 46 (44.7) | 0.681 |
Left | 115 (54.2) | 58 (53.2) | 57 (55.3) | 0.626 |
Preop HKA angle (°)b | − 5.5 (− 25 to 16.5) | − 5.9 (− 25 to 13.5) | − 5.2 (− 20 to 16.5) | 0.735 |
Preop ROM | ||||
FC (°)c | 9.5 (− 10.0 to 35.0) | 9.5 (− 10.0 to 25.0) | 9.5 (− 8.0 to 35.0) | 0.607 |
MF (°) | 115.5 (70.0–150.0) | 118.5 (70.0–150.0) | 112.5 (80.0–150.0) | 0.719 |