The move to suspend the children's heart surgery unit in Leeds has come under the spotlight again after an expert in health statistics questioned the figures that led to the decision.
Sir Brian Jarman, an expert on mortality data, told the Independent on Sunday that, from his analysis over the last four years, the death rates at Leeds were average.
He said the rates were "a little high" but "not significantly higher than other units".
The Archbishop of York has spoken out against the controversial decision to suspend a children's congenital heart surgery unit in Leeds.
Questions have been raised over the halting of a heart surgery in a unit in Leeds which had only recently survived closure plans.