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Table 4 2-anonymity with respect to the attributes ‘Birth’, ‘Sex’ and ‘ZIP code’

From: Big healthcare data: preserving security and privacy

Name Birth Sex ZIP code Religion Disease
* 1962 Female 20000 * Heart-related
* 1962 Male 20000 * Cancer
* 1964 Male 20000 * Viral infection
* 1962 Female 20000 * Diabetes mellitus
* 1964 Male 20000 * Pneumonia