Table 1.

Definition of the inputs and outputs

Category	Variable	Definition
Inputs	Actual number of open beds	The number of beds actually opened at the end of the year.
	Number of doctors	The number of practising (assistant) physicians.
	Number of nurses	The number of qualified nurse practitioners.
	Total expenditure	The expenses incurred by the hospital at the end of the year.
Outputs	Total number of annual visits	The number of visits, counted by the number of registrations.
	Number of discharges	The number of all discharged patients after hospitalisation.
	Total income	The total income earned by the hospital at the end of the year.