← Reference valuesReference valuesLiver elastography / steatosis — Reference values
Liver elastography / steatosis — Reference values: Calculator — liver stiffness (kPa) + Baveno VII, Liver fibrosis — SWE (orientative), Steatosis — CAP (FibroScan).
Classifications and calculators
Calculator — liver stiffness (kPa) + Baveno VII
| Range (kPa) | Baveno VII / reading |
|---|
| < 10 | Compensated advanced chronic liver disease unlikely. |
| 10–15 | Gray zone — suggests advanced disease, confirm. |
| ≥ 15 | Compensated advanced chronic liver disease probable. |
| ≥ 25 | Clinically significant portal hypertension probable (CSPH). |
Fibrosis cutoffs vary by etiology and technique (TE/pSWE/2D-SWE). The calculator adjusts by etiology; quality control (IQR/median ≤0.30) is mandatory.
Source: Baveno VII 2022 / EFSUMB-WFUMB elastography guidelines
Liver fibrosis — SWE (orientative)
| Stage | Stiffness (kPa) |
|---|
| F0–F1 | < ~7 |
| ≥ F2 (significant) | ~ 7–8,5 |
| ≥ F3 (advanced) | ~ 9,5–10,4 |
| F4 (cirrhosis) | ≥ ~11,3–13 |
Cutoffs vary by device, probe and etiology — use your scanner's table. Example values (2D-SWE).
Source: Egypt J Radiol / Radiology Key (2D-SWE)
Steatosis — CAP (FibroScan)
| Grade | CAP (dB/m) |
|---|
| S1 (> S0) | ≥ ~248 |
| S2 (> S1) | ≥ ~268 |
| S3 (> S2) | ≥ ~280 |
Adjust for NAFLD/diabetes (+10) and BMI. Cutoffs vary by study (222–294 dB/m).
Source: J Med Ultrason (CAP meta-análise)
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