test results may be dangerous. It is vital to follow
your doctor's instructions.
9. Classification Categories
In accordance with guidelines from the World
Health Organization, measurements can be
classified and assessed by the table below.
However, these standard values are only a general
guideline, since individual blood pressure varies
in different people and different age groups, etc.
Blood pres-
Systole
sure value
(in mmHg)
category
Setting 3:
severe
≥ 180
hypertension
Setting 2:
moderate
160 – 179 100 – 109
hypertension
Setting 1:
mild
140 – 159 90 – 99
hypertension
High normal
130 – 139 85 – 89
Normal
120 – 129 80 – 84
Optimal
< 120
Source: WHO, 1999
It is important to consult your doctor regularly for
advice. Your doctor will tell you your individual
values for normal blood pressure as well as
23
Diastole
Action
(in mmHg)
seek
≥ 110
medical
attention
seek
medical
attention
regular
monitoring
by doctor
regular
monitoring
by doctor
self-moni-
toring
self-moni-
< 80
toring