Parameters | Transient elastography | pARFI | 2D-SWE | MR elastography | Serum biomarkers |
Advantages | High accuracy, rapid results | High accuracy, rapid results | High accuracy, rapid results | High accuracy | Availability |
Reproducibility | Reproducibility | Reproducibility | Reproducibility | Reproducibility |
Very easy to learn | Easy to learn | Easy to learn, larger measurement area than other ultrasound techniques | Examination of the whole liver | |
| Conventional ultrasound images are also obtained | Conventional ultrasound images are also obtained | Conventional MR images are also obtained | |
| Obesity and ascites are not limiting | Ascites is not limiting | Obesity and ascites are not limiting | |
Disadvantages | Technical requirements (elastography equipment) | Technical requirements (ultrasound equipment) | Technical requirements (ultrasound equipment) | Technical requirements (MR imaging equipment) | Nonspecific (eg, hyperbilirubinemia, hemolysis, inflammation) |
Intermediate cost | Intermediate cost | Intermediate cost | High cost, time-consuming | Relatively high cost, limited availability (patent) |
Limited recognition of intermediate stages of fibrosis | Limited recognition of intermediate stages of fibrosis | Limited recognition of intermediate stages of fibrosis | Limited recognition of intermediate stages of fibrosis | Limited recognition of intermediate stages of fibrosis |
Blind selection of measurement area | | | Not applicable in case of iron deposition | Results not immediately available |
Restricted value in obese patients and patients with ascites | Narrow range of values, small measurement area | | | |
False positive values in patients with acute hepatitis, cholestasis, and heart failure | Quality criteria not well-defined | Quality criteria not well-defined | | |