Understanding FibroScan Results: What CAP & Liver Stiffness Scores Mean
By MediScan Systems | Updated August 2025

After getting a FibroScan test at your diagnostic center, the next question you probably have is:

“What do my CAP and liver stiffness scores mean?”

At MediScan Systems, Chennai, we provide FibroScan reports with two critical values:

  • Liver stiffness (measured in kPa)
  • CAP score (measured in dB/m)

These values help assess the level of fat and scarring (fibrosis) in your liver. Let’s break them down in simple terms so you can understand what your report is telling you.

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What Is a CAP Score?

CAP (Controlled Attenuation Parameter) measures the amount of fat in your liver.
It is shown in decibels per meter (dB/m).

CAP Score Interpretation:

CAP Score (dB/m) Liver Fat Level Steatosis Grade
< 238 Normal S0
238–259 Mild Fat Accumulation S1
260–290 Moderate Fatty Liver S2
> 290 Severe Fatty Liver S3

A score above 260 dB/m usually indicates NAFLD (Non-Alcoholic Fatty Liver Disease) and may require medical attention and lifestyle changes.

What Is Liver Stiffness (kPa)?

Liver stiffness reflects the level of fibrosis or scarring in the liver.

It is shown in kilopascals (kPa) and graded using the METAVIR scale (F0–F4).

Liver Stiffness Score & METAVIR Interpretation:

kPa Score Fibrosis Stage METAVIR Grade Meaning
< 5.5 No fibrosis F0 Healthy liver
5.5–7.0 Mild fibrosis F1 Early scarring
7.1–9.5 Moderate fibrosis F2 Some damage, still reversible
9.6–12.5 Severe fibrosis F3 Significant scarring
> 12.5 Cirrhosis F4 Permanent damage, needs attention

High liver stiffness doesn’t always mean cirrhosis — inflammation or congestion can temporarily raise scores.

Sample Report Breakdown

Let’s say your FibroScan report says:

  • Liver stiffness: 8.2 kPa
  • CAP score: 280 dB/m

This means:

  • You have moderate fibrosis (F2)
  • And moderate fatty liver (S2)

Your doctor may suggest lifestyle modifications, medications, or more frequent monitoring.

How Accurate Are These Scores?

  • FibroScan is 85–90% accurate in identifying moderate to severe fibrosis (F2–F4)
  • CAP scores have 85% sensitivity in detecting fatty liver compared to MRI or biopsy
  • It’s FDA-approved and endorsed by EASL, AASLD, and Indian hepatology societies

Why Use MediScan for FibroScan in Chennai?

At MediScan Systems, we provide:

  • Certified FibroScan technology
  • Expert interpretation
  • Same-day reports with follow-up counselling
  • Personalized screening plans based on your results

Final Takeaway

Understanding your FibroScan results empowers you to take control of your liver health. Whether your scores are mild or elevated, early action leads to better outcomes — and MediScan is here to guide you at every step.