Table 1 Demographics and diagnosis for patients with and without cortical hypertrophies
Hips with CHs | Hips without CHs | p-value | |
|---|---|---|---|
Demographics | |||
Number of hips | 105 | 83 | |
Gender (m: w) | 57: 48 | 29: 44 | 0.32 |
Age at surgery in years | 61 (53–68) | 60 (51–68) | 0.92 |
BMI (kg/m2) | 26 (23–28) | 26 (24–28) | 0.46 |
HHS preoperatively | 59 (43–67) | 62 (48–69) | 0.25 |
HHS postoperatively (3.3y FU) | 97 (93–100) | 97 (92–100) | 0.89 |
HHS postoperatively (7.7y FU) | 98 (93–100) | 96 (91–100) | 0.47 |
UCLA Score preoperatively | 4 (3–6) | 5 (3–6) | 0.15 |
UCLA Score postoperatively (3.3y FU) | 7 (6–7) | 7 (6–8) | 0.35 |
UCLA Score postoperatively (7.7y FU) | 7 (5–7) | 7 (5–7) | 0.79 |
Diagnosis | |||
Primary osteoarthritis | 61 | 46 | 0.71 |
Developmental dysplasia | 22 | 28 | 0.05 |
Avascular necrosis | 10 | 4 | 0.22 |
Posttraumatic osteoarthritis | 4 | 1 | 0.27 |
Rheumatoid arthritis | 5 | 4 | 0.93 |
Others | 3 | 0 | 0.12 |