Table 1 Identifying and demographic data discrepancies in automatically accepted cases in comparison to manually generated cases.

Surname

   Surname spelling

45

1.50

   Double surname ambiguity

4

0.14

First name

   Spelling of first name

32

1.10

   Double first name ambiguity

49

1.70

Sex

   Male/female attribution

2

0.07

Date of birth

   Year

6

0.20

   Month

7

0.24

   Day

24

0.81

Residence code

84

2.8