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Table 3 Persons who died in 2008–09: mean hospitalisations by years prior to death and linkage strategy

From: Optimal strategy for linkage of datasets containing a statistical linkage key and datasets with full personal identifiers

Years

Full probabilistic model

SLK-581 strategy

Basic

Most recent

Most frequent

Any match

Mean

(95% CI)

Mean

(95% CI)

Mean

(95% CI)

Mean

(95% CI)

Mean

(95% CI)

2008-09

2.5

(2.5-2.6)

2.1

(2.0-2.1)

2.4

(2.3-2.4)

2.4

(2.3-2.4)

2.3

(2.2-2.4)

2007-08 to 2008-09

5.0

(4.8- 5.1)

3.9

(3.8- 4.0)

4.6

(4.5- 4.8)

4.6

(4.5- 4.8)

4.6

(4.5-4.7)

2006/07 to 2008/09

6.8

(6.5- 7.0)

5.3

(5.1- 5.5)

6.3

(6.1- 6.5)

6.3

(6.1- 6.5)

6.3

(6.1-6.5)

2005/06 to 2008/09

8.2

(7.9- 8.5)

6.2

(6.0- 6.5)

7.6

(7.3- 7.9)

7.6

(7.3-7.9)

7.7

(7.4-7.9)

2004/05 to 2008/09

9.4

(9.0- 9.7)

6.9

(6.6- 7.2)

8.7

(8.4- 9.0)

8.7

(8.4- 9.1)

8.8

(8.5-9.1)

2003/04 to 2008/09

10.4

(10.1-10.8)

7.5

(7.2 -7.8)

9.7

(9.3-10.1)

9.7

(9.4- 10.1)

9.8

(9.5-10.2)

2002/03 to 2008/09

11.3

(10.9-11.8)

8.2

(7.9- 8.5)

10.5

(10.1-10.9)

10.5

(10.2-11.0)

10.7

(10.3-11.1)

2001/02 to 2008/09

12.1

(11.7-12.5)

8.7

(8.4- 9.1)

11.2

(10.8-11.7)

11.3

(10.8-11.7)

11.4

(11.0-11.9)

2000/01 to 2008/09

12.8

(12.3-13.2)

9.2

(8.8-9.6)

11.8

(11.4-12.3)

11.9

(11.4-12.3)

12.1

(11.6-12.5)

  1. SLK: Statistical Linkage Key.