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Table 1 Components contributing to incomplete SLK-581 by data source

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

Component

Admitted patient records

Death records

 

Public hospitals

Private hospitals

All hospitals

 
 

(n = 12 932 344)

(n = 6 941 739)

(n = 19 874 083)

(n = 47 110)

 

No.

%

No.

%

No.

%

No.

%

Age over 110 years

77

0.0

2

0.0

79

0.0

1

0.0

Missing or invalid date of birth

69 606

0.5

25 079

0.4

94 685

0.5

257

0.6

Missing given name and surname

1 404 099

10.9

4 935 799

71.1

6 339 898

31.9

0

0.0

Missing surname only

5

0.0

1413

0.0

1418

0.0

4

0.0

Missing given name only

127

0.0

12 485

0.2

12 612

0.1

0

0.0

Missing or invalid sex

1015

0.0

26

0.0

1041

0.0

4

0.0

Total incomplete SLK-581

1 464 764

11.3

4 957 467

71.4

6 422 231

32.3

265

0.6

  1. SLK: Statistical Linkage Key.