Table 3 Record linkage among practices in the FIHN – indicating shared patients
Suburb (postcode)Practice 1 (N=3863)Practice 2 (N=7028)Practice 3 (N=23162)Practice 4 (N=30717)Total (N=64770)
Practice 1 (2176)XXXXX172 (3%)142 (1%)405 (13%)722 (1%)
Practice 2 (2164)173 (4%)XXXXX327 (1%)691 (2%)1191 (2%)
Practice 3 (2171)139 (3%)333 (5%)XXXXX3011 (10%)3483 (5%)
Practice 4 (2176)400 (10%)692 (10%)3005 (13%)XXXXX4097 (6%)
Total712 (18%)1200 (17%)3474 (15%)4107 (13%)9493 (15%)