January 1, 1989Stroke
Decline in US stroke mortality. Demographic trends and antihypertensive treatment.
Why the study?
Does improved antihypertensive therapy explain the accelerated decline in US stroke mortality after 1973?
Population
US vital statistics during 1950-1972 and 1973-1981 in 55-64-, 65-74-, and 75-84-year-old race-sex groups
Design
Cohort
Follow-up
1950 to 1981
Authors
Discussion
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Member takes
Implication
Questions hypertension treatment as driver of accelerated post-1973 stroke mortality decline; challenges assumptions and leaves open other factors.
Structured PICO
Does improved antihypertensive therapy explain the accelerated decline in US stroke mortality after 1973?
P
Population
US vital statistics during 1950-1972 and 1973-1981 in 55-64-, 65-74-, and 75-84-year-old race-sex groups
C
Comparator
1950-1972 vs 1973-1981 time periods
O
Outcome
Stroke mortalityhard clinical
The accelerated decline in US stroke mortality after 1973 does not correlate with rates of change in hypertension treatment, suggesting other factors are responsible.
Cite This Study
Klag et al. (1989) studied this question.