Hypertension
Introduction
Hypertension is a major public health problem throughout the world because of its high prevalence and its association with increased risk of cardiovascular disease.
<90
130140-159 140-149
Epidemiology
Prevalence rate ( 患 病 率 ) China: In 1959, In 1979, 5.11% 7.73% of hypertension in
In 1991,
11.88%
The prevalence of high BP increases with age. Hypertension is more common in men than in women up to age 50, after that age, hypertension is more common in women. Hypertension is more common in northern China than in southern China.
For instance:
21/3 1st visit: 146/98mmHg, 150/98mmHg 23/3 2nd visit: 128/84, 126/80
27/3 3rd visit: 130/80, 130/82
Notes(continue)
4. Optimal BP with respect to cardiovascular risk is less than 120/80 mmHg. However, unusually low readings should be evaluated for clinical significance. For example, 70/50 mmHg is less than 120/80 mmHg, but it is not optimal.