Table 4. Agreement with gold standard among records with the highest weights, blocking on DOB.
| Linkage Run Name | String Matching | Weight Determination | Number (%) of Pairs with Highest Weight | Number (%) of Pairs with First or Second Highest Weight | ||
|---|---|---|---|---|---|---|
| Agreement with inpatient MRN | ||||||
| No | Yes | No | Yes | |||
| R/EX/FS | Exact | Prob-FS | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| R/EX/EM | Exact | Prob-EM | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| R/EX/EPI | Exact | Prob-EPI | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| MTB/EX/FS | Exact | Prob-FS | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| MTB/EX/EM | Exact | Prob-EM | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| MTB/EX/D | Exact | Det | 809 (2.6) | 29,727 (97.4) | 2,597 (7.4) | 32,384 (92.6) |
| CU/EX/FS | Exact | Prob-FS | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| LP/EX/FS | Exact | Prob-FS | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| LP/EX/EM | Exact | Prob-EM | 809 (2.6) | 29,727 (97.4) | 814 (2.7) | 29,746 (97.3) |
| R/INEX/FS | Inexact | Prob-FS | 945 (3.0) | 30,674 (97.0) | 951 (3.0) | 30,693 (97.0) |
| R/INEX/EM | Inexact | Prob-EM | 809 (2.6) | 29,727 (97.4) | 809 (2.6) | 29,730 (97.4) |
| MTB/INEX/FS | Inexact | Prob-FS | 809 (2.6) | 29,727 (97.4) | 809 (2.6) | 29,730 (97.4) |
| MTB/INEX/EM | Inexact | Prob-EM | 809 (2.6) | 29,727 (97.4) | 809 (2.6) | 29,730 (97.4) |
| MTB/INEX/D | Inexact | Det | 809 (2.6) | 29,727 (97.4) | 809 (2.6) | 29,730 (97.4) |
| CU/INEX/FS | Inexact | Prob-FS | 816 (2.7) | 29,738 (97.3) | 816 (2.7) | 29,741 (97.3) |
| LP/INEX/FS | Inexact | Prob-FS | 2 (13.3) | 13 (86.7) | 3 (16.7) | 15 (83.3) |
| LP/INEX/EM | Inexact | Prob-EM | 2 (13.3) | 13 (86.7) | 3 (16.7) | 15 (83.3) |
DOB, date of birth; MRN, medical record number; R, R package; MTB, Merge ToolBox; CU, Curtin University Probabilistic Linkage Engine; LP, Link Plus; Prob-FS, probabilistic, Fellegi-Sunter; Prob-EM, probabilistic, expectation-maximization; Prob-EPI, probabilistic, EpiLink; Det, deterministic.