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Age-standardized hypertension prevalence in SSA, Malawi and high-income Western countries 1975-2015, according to data from the NCD Risk Factor Collaboration.. Note: Data from NCD Risk Factor Collaboration (NCD-RisC). Data Downloads: Diabetes. Available from: http://ncdrisc.org/data-downloads-diabetes.html. Accessed June 14, 2018.. Abbreviation: SSA, Sub-Saharan Africa.
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Figure 1 demonstrates how age-standardized prevalence rates of hypertension in Malawi and SSA have increased over the past 40 years and now exceed the falling rates in high-income Western countries.
Age-standardized diabetes prevalence in SSA, Malawi and high-income Western countries 1980-2014, according to data from the NCD Risk Factor Collaboration.. Note: NCD Risk Factor Collaboration (NCD-RisC). Data Downloads: Blood Pressure. Available from: http://ncdrisc.org/data-downloads-blood-pressure.html. Accessed June 14, 2018.. Abbreviation: SSA, Sub-Saharan Africa.
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Malawi and SSA approaching those rates in high-income Western countries and rates in women surpassing them (Figure 2). Much of this increase is due to the rise in type 2 diabetes, although epidemiological studies do not differentiate between type 1 and 2.