Hospital performance indicator	Definition	Effect	Reference
Quality of Care (16 studies)	Admissions	↓	[28]
	30 day readmission	↓	[34] [35]
	30 day readmission	no effect	[22]
	Readmissions	no effect	[28] [30]
	Readmissions	↓	[15] [21] [36]
	Complications	↑	[29]
	Mortality	no effect	[22]
	Mortality	↓	[1] [21] [29] [30]
	IQI 91	↓ and ↑	[5]
	Medication errors and near misses	↓	[37]
	Disease specific measures	↑	[31]
	Disease specific measures	↓ and ↑	[32]
	Safety	↑	[27]
	Safety	↓ and ↑	[33]