'It is a feature of America’s fragmented healthcare system that the private equity industry has seized upon. Over the past five years, some of the country’s biggest buyout firms have snapped up the companies that employ emergency room doctors, capturing some of the 18 per cent of gross domestic product that the US spends on medical care.'

https://www.ft.com/content/5673a288-f55b-4cfd-aa76-0ebb30b029a6