More kidney and liver transplants with opt-out donor model

But the question for health policy makers is complicated by indications that the opt-out system apparently leads to a decline in living donations.

Despite widespread debate and strong opinions on the topic, there has been little evidence to guide governments as to which system works best, according to the panel study published in BMC Medicine.

Researchers from three UK universities compared results in 25 opt-out countries, where organ donation occurs automatically unless a person has specifically requested otherwise before death, with 23 opt-in countries over a 13-year