30 5 30 25 25 2. 20 20 2 3 5 1051000 15 1.5 2 10 10 1 Adjusted relative risk 5 0.5 0 0 <110 00-19⊙9149 210 120 30 40 ☑088] SBP,mm Hg DBP,mm Hg MRFIT:Arch Intern Med 1993;153:598
6 SBP, mm Hg % of men 30 25 20 15 10 5 0 Adjusted relative risk 5 4 3 2 1 0 DBP, mm Hg % of men 30 25 20 15 10 5 0 Adjusted relative risk 3 2.5 2 1.5 1 0.5 0 MRFIT: Arch Intern Med 1993; 153:598
The continuous relationship between the level of blood pressure and the risk of cardiovascular events,and arbitrary nature of the definition of hypertension have contributed to the variation in the definitions issued by various national and international authorities. 7
7 The continuous relationship between the level of blood pressure and the risk of cardiovascular events, and arbitrary nature of the definition of hypertension have contributed to the variation in the definitions issued by various national and international authorities
JNC-7 Classification of BP Category Systolic Diastolic Normal <120 And <80 Prehypertension 120-139 Or 80-90 Hpyertension, 140-159 90-99 Stage 1 Hypertension, >160 Or ≥100 Stage 2
8 JNC-7 Classification of BP Category Systolic Diastolic Normal < 120 And <80 Prehypertension 120-139 Or 80-90 Hpyertension, Stage 1 140-159 Or 90-99 Hypertension, Stage 2 >160 Or > 100
2.Epidemiology
2. Epidemiology
Prevalence of hypertension in adult 28.79% 20 15 11.88% 10 7.736 5.11% 5 0 1959 1979 1991 1999-2000 CHINA USA
10 11.88% 7.73% 5.11% Prevalence of hypertension in adult 1959 1979 1991 30 25 20 15 10 5 0 1999~2000 CHINA USA 28.79%