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Table 1 Definition of the Variables

From: The cost of readmissions in hospitals: the case of the Spanish public hospitals

TYPE

VARIABLE

DESCRIPTION

Var. Quality

R

Rate of readmissions less than 8 days after discharge

Output

y1

Weighted sum of discharges for general medicine, psychiatry, tuberculosis, long stay, pediatrics, gynecology, obstetrics, general surgery and others

Output

y2

Discharges from intensive care, burns and neonatal units

Output

y3

Weighted sum of outpatient consultations (first and successive) and non-admitted emergencies

Input

x1

Medical staff (physicians, pharmacists and other graduates)

Input

x2

Non-medical health personnel (nurses, midwives, physiotherapists and others)

Input

x3

Other non-health personnel

Input

x4

Expenditure on pharmaceuticals (deflated, €2016)

Input

x5

Expenditure on consumables (deflated, €2016)

Input

x6

Number of operational beds

Input

x7

Weighted sum (by price) of diagnostic and therapeutic tests

Var. Complexity

STUDENTS

Number of students in the hospital

Var. Complexity

CASE-MIX

Complexity variable (cases treated by the hospital in terms of cost per patient at discharge)

Costs

C

Hospital expenses

Var. Complexity

H < 100 beds

Dummy variable (1 if hospital has less than 100 beds)

Var. Control

GDP_1

Gross domestic Product lagged

Var. Control

Dt

Dummy variable for each year (15 years)

Var. Control

Dh

Dummy variable for each hospital (244 hospitals)