Mock-up · Option 2 · Start with a question · gallery← All options
Liver waiting list simulator Simple version

What would you change about how donor livers are shared out?

Pick a question. Each one changes a single thing and shows what happens to 100 people who join the waiting list, with everything else kept exactly the same. Built from published UK figures, not real patients.

What if there were more donor livers? Changes: donor livers each month
Versions: 75 · 84 (UK now) · 95
About 2 minutes · 10 runs each
Longest waiting, most unwell, or most benefit? Changes: who is offered each liver first
Versions: most benefit (UK now) · most unwell · longest waiting
About 3 minutes · 10 runs each
What if fewer offers were declined? Changes: offers the transplant team declines
Versions: fewer · UK now · more
About 2 minutes · 10 runs each
What if more livers came from DCD donors? Changes: share of livers from donation after circulatory death
Versions: 35% · 48% (UK now) · 60%
About 2 minutes · 10 runs each
Does matching donor and recipient size matter? Changes: weight matching
Versions: within 20 kg (UK now) · no size rule
About 2 minutes · 10 runs each
What if more people joined the list? Changes: people joining each month
Versions: 60 · 68 (UK now) · 80
About 2 minutes · 10 runs each
Ask your own questionChoose the one thing to change, set two or three versions, and run them side by side. Already know the system? Open the lab: all the levers at once, with pinned comparisons.

For education and research only. Must not be used to make or influence decisions about any individual's clinical care, listing or organ offers. Built by the Edinburgh organ allocation research group. Everything: the full simulator ↗