Table 7 Percentages of selected patient records (2008–2012) with enumeration area discordance for patient address, by geographic reference data set used for batch geocoding, in Wake County
| City or county maintained parcel centroids and/or address points, 2009 | Street centerline (state of NC maintained) 2007 | TIGER street centerlines 2010 | City or county maintained Parcel centroids and/or address points, 2011 | |
|---|---|---|---|---|
| City or county maintained parcel centroids and/or address points, 2009 | <0.1 % | 0.1 % | <0.1 % | |
| Street centerline (state of NC maintained) 2007 | <0.1 % | 0.6 % | <0.1 % | |
| TIGER street centerlines 2010 | 0.1 % | 0.6 % | <0.1 % | |
| City or county maintained parcel centroids and/or address points, 2011 | <0.1 % | <0.1 % | <0.1 % |