Table 1 Demographic characteristics
Navigation group | Control group | P | |
|---|---|---|---|
Gender (women/men) | 87/20 | 70/7 | ns |
Age (years) | 73.1 (45 ~ 89) | 61.0 (34 ~ 86) | < 0.001 |
Body mass index (kg/m2) | 23.9 (15 ~ 50) | 23.5 (15 ~ 37) | ns |
Diagnosis | |||
Osteoarthritis | 92 | 70 | ns |
Crowe group 1 | 74 | 58 | |
Crowe group 2 | 13 | 8 | |
Crowe group 3 | 4 | 3 | |
Crowe group 4 | 1 | 1 | |
Osteonecrosis of the femoral head | 7 | 7 | |
Rapidly destructive coxarthrosis | 4 | 0 | |
Rheumatoid arthritis | 2 | 0 | |
Trauma | 2 | 0 | |
Surgical approach | |||
Posterior | 85 | 68 | ns |
Anterolateral supine | 22 | 9 | |