Sharing Privacy Protected and Statistically Sound Clinical Research Data Using Outsourced Data Storage

Table 2

4-anonymous health-care data.

Number	Nonsensitive		Sensitive
	Zip code	Age	Condition
1	130**	<30	Gastric ulcer
2	130**	<30	Gastric ulcer
3	130**	<30	Gastric ulcer
4	130**	<30	Gastric ulcer
5	130**	3*	Flu
6	130**	3*	Stomach cancer
7	130**	3*	Gastritis
8	130**	3*	Gastritis
9	148**	≥40	Flu
10	148**	≥40	Gastritis
11	148**	≥40	Stomach cancer
12	148**	≥40	Gastric ulcer