Table 5.
Placental abruption in any pregnancy and long-term mortality risk among women with first singleton births in Norway 1967–2002 and Sweden 1973–2003
| Number | Cardiovascular disease deaths | Non-cardiovascular disease deathsa | Total deaths | ||||
|---|---|---|---|---|---|---|---|
| Number | Adjusted hazard ratio (95 % confidence interval)b | Number | Adjusted hazard ratio (95 % confidence interval)b | Number | Adjusted hazard ratio (95 % confidence interval)b | ||
| Placental abruption | |||||||
| Never | 2,060,203 | 5272 | 1.0 (Referent) | 39,557 | 1.0 (Referent) | 48,573 | 1.0 (Referent) |
| Ever | 23,529 | 113 | 1.8 (1.5, 2.2) | 562 | 1.2 (1.1, 1.3) | 740 | 1.3 (1.2, 1.4) |
| No. of times | |||||||
| Never | 2,060,203 | 5272 | 1.0 (Referent) | 39,557 | 1.0 (Referent) | 48,573 | 1.0 (Referent) |
| 1 | 22,747 | 108 | 1.8 (1.5, 2.2) | 535 | 1.2 (1.1, 1.3) | 706 | 1.3 (1.2, 1.4) |
| 2+ | 782 | 5 | 2.2 (0.8, 6.0) | 27 | 1.6 (1.1, 2.5) | 34 | 1.7 (1.2, 2.5) |
| Placental abruption and preeclampsia/eclampsia | |||||||
| Never had either | 1,950,617 | 4790 | 1.0 (Referent) | 37,751 | 1.0 (Referent) | 46,026 | 1.0 (Referent) |
| Placental abruption only | 20,701 | 95 | 1.8 (1.4, 2.2) | 505 | 1.2 (1.1, 1.3) | 654 | 1.3 (1.2, 1.4) |
| Preeclampsia only | 109,586 | 482 | 1.9 (1.7, 2.1) | 1806 | 0.9 (0.9, 1.0) | 2547 | 1.1 (1.0, 1.1) |
| Both | 2828 | 18 | 3.0 (1.9, 4.8) | 57 | 1.1 (0.8, 1.4) | 86 | 1.3 (1.1, 1.7) |
Excluding women with multiple gestations in any pregnancy
aExcluding all circulatory conditions
bAdjusted for mother’s age at first birth, mother’s education, birth year of child and country