From: Event-based record linkage in health and aged care services data: a methodological innovation
Estimated maximum false match rate (%) | ||
---|---|---|
Linkage strategy | Population 10000 (single sex) | Population 35000 (single sex) |
Base linkage strategy(a) | 1.68 | 5.87 |
-but allowing up to a two day gap when matching a hospital separation to a new admission into residential aged care (3-date admission matching) | 2.67 | 9.36 |
-but insisting episodes of hospital leave from residential aged care exactly match on both the start and end of the hospital episode | 1.24 | 4.34 |
-but excluding matching to episodes of social leave from residential aged care as unlikely | 1.05 | 3.66 |
-but insisting episodes of hospital leave from residential aged care exactly match on both the start and end of the hospital episode and at the same time excluding matching to episodes of social leave from residential aged care | 0.61 | 2.14 |
Changing assumption to birth dates spread uniformly over 30 years | 0.84 | 2.93 |
Changing assumption to birth dates spread across 5-year age groups as per aged care admissions over 30 years | 1.10 | 3.86 |