Health campaigners in Newham have hit out at the government's new NHS trust league tables - saying they will create a "climate of fear" that will add "more pressure on staff".
The rankings, which will be published every three months, separate acute and non-acute trusts across England.
Trusts are also categorised by type, with the NHS warning against comparing different types.
Barts Health NHS Trust, which oversees Newham Hospital, came joint 79th of 134 trusts in the acute league table, and joint 23rd of 49 trusts in the acute 'teaching' category.
But campaign group Newham Save Our NHS (NSON) has questioned the effectiveness of the new system.
Phil Edwards, NSON's joint secretary, said: "League tables in general are extremely divisive. The experience in education has been that alongside Ofsted they create a climate of fear and do not assist in improvements in service."
He believes the NHS rankings will heap more pressure on GP surgeries as well as hospital staff, who "may be blamed for issues like A&E waiting times" that are down to "poor funding".
The league tables are part of the Labour government's 10-year plan to raise NHS standards, with the best-performing trusts to be given "more freedom to shape services around local needs".
The worst-performing trusts, the government said, will "receive enhanced support to drive improvement, with senior leaders held accountable through performance-linked pay".
It added that the "best NHS leaders will be offered higher pay to take on the toughest jobs, sending them into challenged services and turning them around".

Health and Social Care Secretary Wes Streeting said: "Patients know when local services aren’t up to scratch and they want to see an end to the postcode lottery - that’s what this government is doing.
"We’re combining the extra £26 billion investment each year with tough reforms to get value for money, with every pound helping to cut waiting times for patients."
But Edwards said: "Wes Streeting is clear that he will be relying, as part of the 10-year plan, on allowing further privatisation in the NHS, which will divert funds and do nothing to improve the service long-term.
"This is just another patch-up gimmick which will do nothing to deal with the deep crisis facing the NHS and is yet another example of this government’s lack of vision or planning in the NHS."
He added: "Local people want to know how their local hospitals are performing and specifically how specialist services are performing. There are concerns too about maternity care which is about to be reviewed again.
"The league tables are not comparing like for like. They are comparing areas with different specialisms and different demographics.
"We are in the fastest-growing population in the country with enormous poverty in some areas and all the health issues which are the corollary of that, including growing mental health issues.
"Alan Milburn has a big influence historically on Labour NHS policies, and his failed attempt to introduce league tables followed John Major's [Conservative] government’s failed experiment in the 1990s, again showing how skewed this system of comparison is.
"This is just what we don’t need for an already stretched and demoralised medical staff and will only lead to trusts trying to meet targets instead of improving patient outcomes."
The Citizen asked Barts Health NHS Trust for its reaction to the league tables, and what it is doing to improve.
A spokesperson responded: “Our patients can be assured that they will continue to receive safe and high-quality care in our hospitals.
"The league tables offer a snapshot of relative performance at any one moment, and our hard-working staff are constantly striving to improve access to treatment and reduce waiting times.”