Negligence claims against the NHS have soared to £3.9bn - around 10 per cent of its annual budget.Claims actually settled during the last financial year were worth £386m which, according to the National Audit Office, represents a seven-fold increase since 1998. Its report also says that legal costs outstrip the compensation being paid in a significant number of cases.David Davis MP, chair of the Commons public accounts committee, said: 'The report provides firm evidence that the only people winning from the system are lawyers.'