Cirrhosis is stage 4 (F4) on the standard liver fibrosis scale, the most advanced stage of scarring. But that single label undersells how much variation exists within cirrhosis itself. Someone with early, well-compensated cirrhosis can live for decades, while someone with late decompensated cirrhosis faces a median survival of about two years without a transplant. Understanding where you fall within cirrhosis matters far more than knowing you’ve reached it.
Where Cirrhosis Falls on the Fibrosis Scale
Doctors grade liver scarring on a five-point scale called METAVIR, running from F0 (no scarring) to F4. At F3, advanced scarring disrupts blood flow through larger areas of the liver but hasn’t yet restructured the organ. At F4, extensive scarring has permanently remodeled the liver’s architecture. That’s cirrhosis.
Reaching F4 doesn’t mean the liver has stopped working entirely. It means the damage is widespread enough that normal tissue has been replaced by bands of scar tissue, squeezing the blood vessels inside the liver and forcing blood to find alternate routes. This rising pressure in the liver’s blood supply, called portal hypertension, drives most of the complications that follow.
The Two Main Phases of Cirrhosis
The most important distinction within cirrhosis is whether your liver is still keeping up with its workload. Doctors split this into two broad categories: compensated and decompensated.
Compensated cirrhosis means you have significant scarring, but your liver is still managing its essential jobs: filtering toxins, making proteins, processing bile. Many people in this phase have no symptoms at all, or only vague ones like fatigue. The one-year survival rate for compensated cirrhosis (Child-Pugh Class A) is close to 100%, and the five-year survival is roughly 64%.
Decompensated cirrhosis means the liver can no longer keep up. The transition is marked by specific complications: fluid buildup in the abdomen (ascites), confusion or personality changes from toxins the liver can’t clear (hepatic encephalopathy), bleeding from swollen veins in the esophagus or stomach, or visible jaundice. Once any of these appear, the disease has entered a fundamentally different phase. Median survival without transplantation drops to about two years.
The Six-Stage Clinical Breakdown
International guidelines now divide cirrhosis into six substages based on which complications have appeared and how they combine. Stages 1 and 2 are compensated. Stages 3, 4, and 5 are decompensated. Stage 6 is late decompensated cirrhosis, where multiple complications overlap. The annual mortality rate for patients in stages 5 and 6 reaches 88%.
This granularity matters because the jump between substages isn’t gradual. Decompensation can happen slowly, with ascites accumulating over weeks, or it can strike acutely, with sudden bleeding or a rapid onset of confusion triggered by an infection. Both pathways land you in the decompensated category, but the speed and severity differ, which affects treatment decisions.
How Doctors Score Severity
Two scoring systems help doctors quantify how much function your liver has lost and what your outlook looks like.
Child-Pugh Score
This score uses five measurements: bilirubin levels (a waste product the liver clears), albumin (a protein the liver makes), how quickly your blood clots, whether you have ascites, and whether your brain function is affected. Each measurement gets one to three points, and the total places you in one of three classes:
- Class A (5 to 6 points): The liver is still functioning adequately. Five-year survival is around 64%.
- Class B (7 to 9 points): Moderate damage. One-year survival is about 80%, and five-year survival ranges from 60% to 75%.
- Class C (10 to 15 points): Severe damage. One-year survival is roughly 45%, and five-year survival falls to 34% to 50%.
MELD Score
The MELD score is used primarily to prioritize patients for liver transplant. It pulls from blood tests measuring clotting ability, bilirubin, kidney function, sodium levels, and albumin. The result is a number that predicts 90-day mortality risk:
- Below 9: 1.9% risk of death within 90 days
- 10 to 19: 6% risk
- 20 to 29: 19.6% risk
- 30 to 39: 52.6% risk
- Above 40: 71.3% risk
A higher MELD score moves you up the transplant waiting list. The scoring system was updated in 2024 to MELD 3.0, which added albumin levels and sex-based adjustments to improve accuracy.
What Drives Progression Within Cirrhosis
Portal hypertension is the engine behind most complications. Normally, the pressure gradient across the liver sits between 1 and 5 mmHg. As scar tissue builds, that pressure climbs. Between 6 and 9 mmHg, the hypertension is subclinical, meaning it’s measurable but not yet causing visible problems. At 10 mmHg or above, it becomes clinically significant, and the risk of developing varices, ascites, and bleeding rises sharply. Pressures above 20 mmHg signal a poor prognosis.
Doctors can estimate portal pressure without invasive testing by measuring liver stiffness with specialized ultrasound. A stiffness reading above 25 kPa strongly suggests clinically significant portal hypertension. Readings below 15 kPa, combined with a normal platelet count, generally rule it out. This matters because medication to reduce portal pressure can delay the first episode of decompensation in people whose pressure has crossed the 10 mmHg threshold but who haven’t yet developed symptoms.
What Each Major Complication Feels Like
Ascites is usually the first sign of decompensation. You’ll notice your abdomen swelling, sometimes gradually over weeks, sometimes rapidly. Clothes stop fitting. Lying flat becomes uncomfortable. In severe cases, the fluid volume is large enough to press on the lungs and make breathing difficult.
Variceal bleeding happens when blood rerouted around the scarred liver engorges veins in the esophagus or stomach. These swollen veins can rupture without warning, causing vomiting of blood or black, tarry stools. This is a medical emergency. Doctors can predict your likelihood of having varices using a combination of clotting tests, portal vein diameter on imaging, and platelet count. If you meet all three risk criteria (Child-Pugh Class C, abnormal clotting, portal vein wider than 13 mm, and low platelets), the chance of having esophageal varices exceeds 90%.
Hepatic encephalopathy ranges from subtle to severe. Early signs include difficulty concentrating, mood changes, sleep disruption, or forgetting things that would normally be easy to remember. More advanced cases involve visible confusion, slurred speech, disorientation, or loss of consciousness. It’s caused by ammonia and other toxins accumulating in the blood when the liver can no longer filter them.
Why the Stage You’re In Can Change
Cirrhosis isn’t always a one-way street. If the underlying cause is removed, particularly alcohol or an active hepatitis infection, the liver can partially recover even at the F4 stage. People with early compensated cirrhosis who stop drinking or achieve viral clearance sometimes see their liver stiffness measurements drop below cirrhosis thresholds, and their portal pressures can fall enough to reduce complication risk.
Decompensated cirrhosis is harder to reverse, but treating the cause can stabilize the disease and, in some cases, allow “recompensation,” where symptoms like ascites resolve and liver function improves enough to shift your Child-Pugh class downward. This doesn’t mean the scarring disappears, but the remaining liver tissue can function well enough to keep up again. For people whose liver damage is too extensive, transplantation remains the definitive treatment, and the MELD score determines where you stand in line.