Beyond the QOF, the country' collects several patient experience measures with general practice. About 2.4 million patients registered with a GP practice are surveyed twice a year around access, making appointments, quality of care, satisfaction with opening hours and experience with out-of-hours National Health Service (NHS) services. England has other rich data sources on the quality of mental health care, prevention measures, or around the use of hospital care by GPs, all of which are published at the GP practice level (OECD, 2016a). Denmark and Israel also took steps to better measure quality and outcomes in primary care, although recent events in Denmark illustrate that unexpected obstacles can derail progress in this area (see Case Study 1).