Table 1.
Patient data (preoperative diagnosis)
| Diagnosis | Group 1 N = 63 |
Group 2 N = 274 |
|---|---|---|
| Primary osteoathrosis | 0 (0%) | 135 (49.3%) |
| Developmental arthritis (Legg-Calvé-Perthes, slipped capital femoral epiphysis) | 6 (9.5%) | 13 (4.7%) |
| Posttraumatic arthritis | 2 (3.2%) | 23 (8.4%) |
| Congenital dysplasia (Crowe Grades I–II) | 4 (6.3%) | 26 (9.5%) |
| Congenital dysplasia (Crowe Grades III–IV) | 8 (12.7%) | 5 (1.8%) |
| Inflammatory arthritis | 19 (30.2%) | 23 (8.4%) |
| Avascular necrosis | 23 (36.5%) | 48 (17.5%) |
| Septic arthritis | 1 (1.6%) | 0 (0%) |
| Acromegaly | 0 (0%) | 1 (0.4%) |
p < 0.001, linear-by-linear association.