Table 4 Linkage rates for all births, NSW 2001-2008
From: Investigating linkage rates among probabilistically linked birth and hospitalization records
| Â | Live birth | Stillbirth | Total* | ||
|---|---|---|---|---|---|
Singleton | Multiple births | Singleton | Multiple births | Â | |
N = 691 197 | N = 21 907 | N = 4 018 | N = 442 | N = 717 982 | |
n(%) | n(%) | n(%) | n(%) | n(%) | |
Birth-hospital record linked groups | |||||
 Mother and infants | 667 315 (96.5) | 21 024 (96.0) | 60 (1.5) | 14 (3.2) | 688 802 (95.9) |
 Mothers only | 11 312 (1.6) | 502 (2.3) | 3 787 (94.3) | 414 (93.7) | 16 029 (2.2) |
 Infants only | 9 553 (1.4) | 314 (1.4) | 7 (0.2) | 0 (0.0) | 9 884 (1.4) |
Unlinked groups | |||||
 Birth record | 3 017 (0.4) | 67 (0.3) | 164 (4.1) | 14 (3.2) | 3 267 (0.5) |
 Infants hospital records | 13 469 (-) | 620 (-) | - (-) | - (-) | 14 504 (-) |
 Maternal hospital records†| 8 145 (-) | 425 (-) | 350 (-) | 64 (-) | 8 984 (-) |