Table 2 Effect of treatment of HDP on maternal mortality from HDP using severe acute maternal morbidity (SAMM) case fatality rates in high income countries
Author, year | Study population (year) | HDP-related conditions | Case fatality rate (Number of deaths/cases) | Mortality reduction a | |
|---|---|---|---|---|---|
| 听 | 听 | 听 | 听 | Natural case fatality | |
| 听 | 听 | 听 | 听 | 25% | 42% |
Hogberg 1985 [12] | Sweden (1861-1880) | Eclampsia | 42.0 | - | - |
| 听 | Sweden (1881-1900) | Eclampsia | 20.0 | 20.0% | 52.4% |
| 听 | Sweden (1951-1955) | Eclampsia | 13.9 | 44.4% | 66.9% |
| 听 | Sweden (1971-1980) | Eclampsia | 3.1 | 87.6% | 92.6% |
Douglas et al 1994 [67] | UK (1992) | Eclampsia | 1.8% (7/382) | 92.7% | 95.6% |
Waterstone et al 2001 [68] | South East Thames Region (1997-1998) | Severe pre-eclampsia, eclampsia and HELLP syndrome | 0.4% (1/224) | 98.2% | 98.9% |
Zhang et al 2005 [69] | Upper Austria (1996-1997) | evere pre-eclampsia, eclampsia and HELLP syndrome | 0.0% (0/32) | 100.0% | 100.0% |
| 听 | Brussels, Belgium (1996) | 听 | 0.0% (0/115) | 100.0% | 100.0% |
| 听 | Finland, 65% of deliveries (1996) | 听 | 0.0% (0/86) | 100.0% | 100.0% |
| 听 | Four regions in France (1995) | 听 | 0.4% (1/241) | 98.3% | 99.0% |
| 听 | Upper Danube, Hungary (1995) | 听 | 0.0% (0/81) | 100.0% | 100.0% |
| 听 | Cork, Ireland (1996) | 听 | 0.0% (0/9) | 100.0% | 100.0% |
| 听 | Puglia, Italy (1996-1997) | 听 | 0.0% (0/19) | 100.0% | 100.0% |
| 听 | Oslo, Norway (1995) | 听 | 0.0% (0/6) | 100.0% | 100.0% |
Wen et al 2005 [70] | Canada (1991-1992) | Eclampsia | 0.4% (4/973) | 98.4% | 99.0% |
Knight et al 2007 [71] | UK (2005-2006) | Eclampsia | 0.0% (0/214) | 100.0% | 100.0% |
Zwart et al 2008 [72] | The Netherlands (2004-2006) | Eclampsia and HELLP syndrome | 1.8% (4/222) | 92.8% | 95.7% |