Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Factors affecting the incidence of secondary osteoarthritis
Characteristics | Osteoarthritis (n = 25) | No osteoarthritis (n = 94) | P value |
|---|---|---|---|
Age, years (mean ± SD) | 29.3 ± 9.3 | 29.4 ± 9.3 | 0.958 |
Gender | 0.543 | ||
Males (n = 54) | 10 | 44 | |
Females (n = 65) | 15 | 50 | |
Pathological fracture at presentation | 0.504 | ||
Yes (n = 35) | 6 | 29 | |
No (n = 84) | 19 | 65 | |
Tumor location | 0.554 | ||
Distal femur (n = 70) | 16 | 54 | |
Proximal tibia (n = 49) | 9 | 40 | |
Recurrent at presentation | 0.862 | ||
De novo (n = 84) | 18 | 66 | |
Recurrent (n = 35) | 7 | 28 |