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

Table 1

Original health-care data.

Number	Nonsensitive		Sensitive
	Zip code	Age	Condition
1	13033	22	Gastric ulcer
2	13062	25	Gastric ulcer
3	13032	27	Gastric ulcer
4	13067	28	Gastric ulcer
5	13065	31	Flu
6	13038	33	Stomach cancer
7	13035	35	Gastritis
8	13060	36	Gastritis
9	14856	43	Flu
10	14850	45	Gastritis
11	14852	50	Stomach cancer
12	14855	52	Gastric ulcer