Table 2.

Overview of person matches in eHARS databases across DC, MD, and VA from 1981 to 2015.

Person matches across jurisdictions	Exact	Very high	High	Medium high	Medium	Very low	Total
DC-MDa	4013	5907	53	268	645	482	11,368
MD-VAb	856	2343	11	117	377	865	4569
VA-DCc	1064	3340	15	149	438	529	5535
Total	5933	11,590	79	534	1460	1876	21,472

^aDC-reported MD matches were equal to MD-reported DC matches.

^bMD-reported VA matches were equal to VA-reported MD matches.

^cVA-reported DC matches were equal to DC-reported VA matches.