Parameter | Implant failure | OR (CI) | p value | |
---|---|---|---|---|
No, number (%) | Yes, number (%) | |||
Sex | 0.63 (0.11–3.51) | 0.593 | ||
Male | 15 (38) | 3 (50) | ||
Female | 24 (62) | 3 (50) | ||
Age | 1.50 (0.16–14.56) | 0.727 | ||
< 65 years | 9 (23) | 1 (17) | ||
≥ 65 years | 30 (77) | 5 (83) | ||
BMI | ||||
< 18.5* | 3 (8) | 0 (0) | Undefined | |
18.5–23.9 | 20 (51) | 2 (33) | ||
≥ 24.0* | 16 (41) | 4 (67) | 2.50 (0.41–15.43) | 0.324 |
Mechanism of injury | 0.58 (0.06–5.58) | 0.637 | ||
Low energy | 29 (74) | 5 (83) | ||
High energy | 10 (26) | 1 (17) | ||
ASA score | ||||
1 | 3 (8) | 0 (0) | Undefined | |
2 | 22 (56) | 5 (83) | 3.18 (0.34–30.16) | 0.313 |
3 | 14 (36) | 1 (17) | ||
AO/OTA classification | ||||
31A-3.1 | 7 (18) | 1 (17) | ||
31A-3.2 | 7 (18) | 0 (0) | Undefined | |
31A-3.3 | 25 (64) | 5 (83) | 1.40 (0.14–14.03) | 0.775 |
Reduction method | 2.11 (0.35–12.86) | 0.420 | ||
Closed | 20 (51) | 2 (33) | ||
Open | 19 (49) | 4 (67) | ||
Lateral femoral wall | 2.90 (0.50–16.76) | 0.234 | ||
Reduced | 29 (74) | 3 (50) | ||
Displaced | 10 (26) | 3 (50) | ||
Reduction quality | ||||
Poor | 2 (5) | 3 (50) | 14.50 (1.69–124.24) | 0.015 |
Acceptable | 8 (21) | 0 (0) | Undefined | |
Good | 29 (74) | 3 (50) | ||
Posteromedial support | 12.00 (1.65–87.52) | 0.014 | ||
Existence | 36 (92) | 3 (50) | ||
Loss | 3 (8) | 3 (50) |