Table 2.
Original probabilistic linkage (threshold weight = 20) | High-threshold probabilistic linkage (threshold weight = 45) | Deterministic linkage only | |
---|---|---|---|
Linked records | 72520/72817 | 65020/72817 | 35324/72817 |
99.6% | 89.3% | 48.5% | |
Missed match rate | 297/72817 | 7797/72817 | 37493/72817 |
0.4% | 10.7% | 51.5% | |
False match rate | 636/72520 | 212/65020 | 22/35324 |
0.9% | 0.3% | 0.1% | |
Positive predictive value | 71884/72520 | 64808/65020 | 35302/35324 |
99.1% | 99.7% | 99.9% |