Analysts said the market for operations such as hip surgery and cataract operations was being fuelled by “very high waits for NHS diagnosis and treatment”. Private companies have seen a 53 per cent rise in the “self-pay” market in four years, the data reveals. Many areas have drawn up restrictions on access to treatment, refusing some operations entirely, with others only provided for those in extreme… Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings. The number of patients paying for operations privately is soaring amid rising waiting lists and deepening rationing across the NHS, new figures show. In the last four years, the numbers waiting more than six months for such operations has tripled, with 445,360 such cases by the end of last year.