Skip to main content
. 2022 Sep 29;24(9):e33775. doi: 10.2196/33775

Table 1.

Summary of four use cases, Indiana Network for Patient Care (INPC), newborn screening (NBS), Social Security Administration (SSA), and Marion County Health Department (MCHD), with information on the number of records in each use case, blocking schemes, and the numbers of record pairs in blocking schemes.

Block Pairs
INPC (47,334,986 records)

SSNa 53,054,690

FN-TELb 41,729,402

DB-MB-YB-ZIPc 133,553,036

FN-LN-YBd 193,865,283

DB-LN-MB-YBe 191,181,498
NBS (765,813 records)

MRNf 4,147,098

TELg 2,644,454

MB-DB-ZIP 8,083,396

LN-FNh 3,005,368

NK_LN-NK_FNi 1,217,736
SSA (89,556,520 records)

SSN 805,331

FN-LN-ZIP 18,103

FN-LN-MI-YB 1,395,395

FN-LN-MI-DB-MB 547,376

FN-LN-DB-MB-YB 722,167
MCHD (471,298 records)

SSN 869,454

TEL 28,238

DB-MB-YB-zip 5,083,429

FN-LN-YB 3,378,017

DB-LN-MB-YB 3,701,460

aSSN: Social Security number.

bFN-TEL: first name and telephone number.

cDB-MB-YB-ZIP: day, month, and year of birth and zip code.

dFN-LN-YB: first name, last name, and year of birth.

eDB-LN-MB-YB: day, month, and year of birth and last name.

fMRN: medical record number.

gTEL: telephone no.

hLN-FN: last name, first name.

iNK_LN, NK_FN: next of kin last name and first name.