Table 3
Multivariate analysis of risk factors for implant failure.
| Failure type | Variable | Odds ratio (OR) | 95% Confidence interval | p-value |
|---|---|---|---|---|
| Type 1 | METS implant (vs. MUTARS) | 0.09 | 0.00–0.45 | 0.020 |
| Type 4 | Prolonged hospitalization | 1.09 | 1.04–1.14 | <0.001 |
| Type 4 | Operative time | 1.02 | 1.01–1.03 | <0.001 |
| Type 4 | ASA score | 2.39 | 1.32–4.32 | 0.003 |
| Type 4 | Diabetes mellitus | 6.32 | 2.29–17.45 | <0.001 |
| Type 4 | Increased BMI | 1.25 | 1.11–1.41 | <0.001 |
| Type 4 | Transfusion requirement | 2.26 | 1.32–3.89 | <0.001 |
| Type 4 | Silver-coated implant | 0.18 | 0.03–1.15 | 0.29 |
Significant predictors of infection included prolonged hospitalization, elevated ASA score, diabetes mellitus, increased BMI, longer operative time, and transfusion requirement. Use of METS implants was protective against soft-tissue failure. Silver-coated implants demonstrated a non-significant trend toward infection risk reduction.
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