Table 2.
Baseline criteria, including non-significant fractures
| Patients (n) | Percentage | |
|---|---|---|
| Total | 158 | 100% |
| Demographics | ||
| Male | 61 | 39% |
| Female | 97 | 61% |
| Age (median) | 28 (21–46) | |
| Mechanism of trauma | ||
| Inversion | 103 | 65% |
| Eversion | 10 | 6% |
| Unknown | 45 | 29% |
| Activities | ||
| Walking | 79 | 50% |
| Sports | 54 | 34% |
| Traffic accident | 16 | 10% |
| Other | 3 | 2% |
| OAR | ||
| Rule 1 (4 steps walking test) | 117 | 74% |
| Rule 2 (lateral malleolus) | 111 | 70% |
| Rule 3 (medial malleolus) | 69 | 44% |
| Rule 4 (fifth metatarsal bone) | 54 | 34% |
| Rule 5 (navicular) | 44 | 28% |
| PoCUS fracture sonographer | ||
| No fracture | 118 | 75% |
| Fracture | 40 | 25% |
| Distal tibia | 2 | 1% |
| Distal fibula | 28 | 18% |
| Fifth metatarsal bone | 5 | 3% |
| Distal fibula and tibia | 5 | 3% |
| Other | 0 | 0% |
| PoCUS fracture expert | ||
| No fracture | 128 | 81% |
| Fracture | 30 | 19% |
| Distal tibia | 1 | 1% |
| Distal fibula | 20 | 13% |
| Fifth metatarsal bone | 5 | 3% |
| Distal fibula and tibia | 4 | 3% |
| Other | 0 | 0% |
| Xray fracture | ||
| No fracture | 123 | 78% |
| Fracture | 35 | 22% |
| Distal tibia | 0 | 0% |
| Distal fibula | 20 | 13% |
| Fifth metatarsal bone | 7 | 5% |
| Distal fibula and tibia | 6 | 4% |
| Othera | 2 | 1% |
OAR Ottawa Ankle Rules, PoCUS point-of-care bedside ultrasound, Xray plain radiographic image. aOther = malleolus tertius and distal tibia with malleolus tertius