Prevalence and Incidence of Preeclampsia
Preeclampsia:
Preeclampsia is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Preeclampsia, or a subtype of Preeclampsia,
affects less than 200,000 people in the US population.
Incidence (annual) of Preeclampsia:
146,320 cases (1998/NHLBI); about 5% of pregnancies. ... see also overview of Preeclampsia.
Incidence Rate:
approx 1 in 1,858 or 0.05% or 146,320 people in USA [Source statistic for calcuation: "146,320 cases (1998/NHLBI); about 5% of pregnancies." -- see also general information about data sources]
Incidence extrapolations for USA for Preeclampsia:
146,320 per year,
12,193 per month,
2,813 per week,
400 per day,
16 per hour,
0 per minute,
0 per second.
[Source statistic for calculation: "146,320 cases (1998/NHLBI); about 5% of pregnancies." -- see also general information about data sources]
Prevalance of Preeclampsia:
Preeclampsia is the most common hypertensive disorder during pregnancy,
affecting an estimated 5-8% of pregnant women annually in the United States, and
has the greatest effect on maternal and infant outcome. (Source: excerpt from REPORT of the WORKING GROUP on RESEARCH on HYPERTENSION DURING PREGNANCY: NHLBI)
Prevelance of Preeclampsia discussion:
Although the proportion of pregnancies
with gestational hypertension and eclampsia has remained about the same in the
U.S. over the past decade, the rate of preeclampsia has increased by nearly
one-third. This increase is due in part to a rise in the numbers of older
mothers and of multiple births, where preeclampsia occurs more frequently. For
example, in 1998 birth rates among women ages 30 to 44 and the number of births
to women ages 45 and older were at the highest levels in 3 decades, according to
the National Center for Health Statistics. Furthermore, between 1980 and 1998,
rates of twin births increased about 50 percent overall and 1,000 percent among
women ages 45 to 49; rates of triplet and other higher-order multiple births
jumped more than 400 percent overall, and 1,000 percent among women in their
40s. (Source: excerpt from High Blood Pressure in Pregnancy: NHLBI)
Incidence of Preeclampsia:
High blood pressure problems
occur in 6 percent to 8 percent of all pregnancies in the U.S., about 70 percent
of which are first-time pregnancies. In 1998, more than 146,320 cases of
preeclampsia alone were diagnosed. (Source: excerpt from High Blood Pressure in Pregnancy: NHLBI)
More Statistics about Preeclampsia:
Hospitalization statistics
All statistics for Preeclampsia
Prevalence/Incidence of Preeclampsia: Online Medical Books
16 MEDICAL BOOKS ONLINE!
Review excerpts from medical books online, free, without registration,
for more information about the prevalence and/or incidence of Preeclampsia.
Pregnancy-induced hypertension:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
The cause of pregnancy-induced hypertension is unknown, but geographic, ethnic, racial, nutritional, immunologic, and familial factors and pre-existing vascular disease may contribute to its development. Age is also a factor. Primiparas who are older than age 35 are at higher risk for preeclampsia.
Preeclampsia develops in about 7% of pregnancies. Incidence is significantly higher in low socioeconomic groups. About 5% of females with preeclampsia develop eclampsia; of these, about 15% die from PIH itself or its complications. Fetal mortality is high due to the increased incidence of premature delivery and uteroplacental insufficiency.
» READ BOOK EXCERPT ONLINE »
Source: Professional Guide to Diseases (Eighth Edition), 2005
About prevalence and incidence statistics:
The term 'prevalence' of Preeclampsia usually refers to the estimated population
of people who are managing Preeclampsia at any given time.
The term 'incidence' of Preeclampsia refers to the annual diagnosis rate,
or the number of new cases of Preeclampsia diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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