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Table 3 Characteristics of the full patient sample and for the Development and Validation samples

From: Using routine inpatient data to identify patients at risk of hospital readmission

  Full Sample
(n = 17,699)
Development sample
(n = 13,207)
Validation sample
(n = 4,492)
  % % %
Twelve month readmission rate 45.4 45.5 45.1
Age Group    
0–17 years 3.2 3.2 3.3
18–39 years 8.8 8.7 9.0
40–64 years 23.7 23.8 23.4
65–74 years 20.5 20.4 20.7
75+ years 43.8 43.9 43.6
Sex    
Male 49.3 49.4 48.9
Female 50.7 50.6 51.1
Marital status    
Never married 20.6 20.5 20.8
Married/de facto 48.6 48.8 48.1
Widowed 21.0 20.9 21.2
Separated/divorced 9.9 9.8 9.9
Indigenous status    
Non-Indigenous 96.0 95.9 96.1
Indigenous 4.0 4.1 3.9
SEIFA1    
Most disadvantaged 28.5 28.8 27.8
Quintile 2 28.0 27.8 28.5
Quintile 3 21.0 21.1 20.7
Quintile 4 15.7 15.6 16.2
Least Disadvantaged 6.7 6.7 6.8
ARIA2    
Major city 43.7 43.3 44.8
Inner Regional 28.6 28.9 27.9
Outer Regional 22.6 22.6 22.6
Remote 2.7 2.8 2.4
Very Remote 2.4 2.5 2.4
  1. 1Socio-Economic Indexes for Areas
  2. 2Accessibility/Remoteness Index of Australia