Table 3. Frequency of multiligament knee injuries identified by clinical examination and/or magnetic resonance imaging, both global and compared by age group.
| Injuries | Global n = 82 |
Age < 30 years old n = 45 |
Age ≥30 years old n = 37 |
p-value at the chi-squared test comparing frequencies from both age groups | |||
|---|---|---|---|---|---|---|---|
| Anterior cruciate ligament | 66 | 80.50% | 33 | 73.30% | 33 | 89.20% | 0.071 |
| Posterior cruciate ligament | 64 | 77.10% | 33 | 73.30% | 31 | 82.80% | 0.408 |
| CPL | 50 | 61.0% | 27 | 60.0% | 23 | 73.00% | 0.842 |
| Medial collateral ligament | 22 | 21.00% | 10 | 22.20% | 12 | 32.40% | 0.299 |
| Lateral collateral ligament | 7 | 8.5% | 5 | 11.1% | 2 | 5.40% | 0.449 * |
| Medial meniscus | 21 | 25.60% | 10 | 22.20% | 11 | 29.70% | 0.438 |
| Lateral meniscus | 12 | 14.60% | 4 | 8.90% | 8 | 21.60% | 0.105 |
| Fibular nerve | 2 | 2.40% | 0 | 0.00% | 2 | 5.40% | 0.201 * |
| Posterior plateau | 1 | 1.20% | 0 | 0.00% | 1 | 2.70% | 0.451 * |
| Biceps avulsion | 1 | 1.20% | 1 | 2.20% | 0 | 0.00% | 1.000 * |
*
The Fisher exact test was used in this case.