Skip to main content

Table 1 Missing value percentages

From: Evaluating privacy-preserving record linkage using cryptographic long-term keys and multibit trees on large medical datasets

Identifier

NSW morbidity (public hospital)

NSW morbidity (private hospital)

WA morbidity

First Name

3%

100%

<1%

Middle Name

54%

100%

41%

Last Name

<1%

100%

<1%

Date of Birth

0%

0%

<1%

Sex

<1%

<1%

<1%

Suburb

<1%

3%

<1%

Address

2%

22%

<1%

Postcode

<1%

3%

<1%

# Records

13810088

6498579

6772949