Table 3.
Diagnostic performance of each method.
| US (%) | XR (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Author | Fractures (%) | Location | SN | SP | PPV | NPV | SN | SP | PPV | NPV |
| Caglar et al. | 41.7 | Nasal bones | 84.8 | 93.0 | 90.7 | 88.3 | 91.0 | 88.0 | 85.0 | 93.0 |
| Pishbin et al.17 | 54.1 | Ribs | 98.3 | 100 | 100 | 95.8 | 40.6 | 100 | 100 | 39.6 |
| Ebrahimi et al.12 a | 40.1 | Metatarsal bones | 96.7 | 84.5 | 73.1 | 98.3 | ND | ND | ND | ND |
| Mohammadifard et al.18 | 92.2 | Nasal bones | 97.7 | 96.6 | 97.2 | 97.3 | 81.2 | 86.6 | 88.0 | 79.2 |
| Ozturk et al.24 | 39.2 | Ankle | 100 | 93.0 | 89.0 | 100 | 92.8 | 100 | 100 | 96.2 |
| Oguz et al.21 b | 92.1 | Wrist | 95.3 | 93.7 | 98.3 | 83.3 | 100 | 83.3 | 88.8 | 100 |
| Crombach et al.31 a | 22.0 | Ankle and metatarsal bones | 80.0 | 90.3 | 70.0 | 94.1 | ND | ND | ND | ND |
| Avci et al.33 a | 51.2 | Long bones | 99.0 | 93.0 | 93.0 | 99.0 | ND | ND | ND | ND |
a
Study compares ultrasound and radiography but only reports the diagnostic performance of ultrasound.
b
Study compares ultrasound and tomography.
ND, non-describe; NPV, negative predictive value; PPV, positive predictive value; SN, sensitivity; SP specificity; US, ultrasound; XR, X-ray.