血压分类一JNV(1997) 类别 收缩压(mmHg)舒张压(mmHg) 理想血压 <120 <80 正常血压 120-129 80-84 正常高值 130-139 85-89 1级高血压 140-159 90-99 亚组:临界高血压140-149 90-94 2级高血压 160-179 100-109 3级高血压 ≥180 ≥110 单纯收缩期高血压 140 <90 亚组:临界收缩期高血压140-149 <90
血压分类--JNC-VI(1997) --------------------------------------------------------- 类 别 收缩压（mm Hg) 舒张压（mm Hg) --------------------------------------------------------- 理想血压 <120 <80 正常血压 120 - 129 80 - 84 正常高值 130 - 139 85 - 89 1级高血压 140 – 159 90 – 99 亚组：临界高血压 140 - 149 90 - 94 2级高血压 160 - 179 100 -109 3级高血压 180 110 单纯收缩期高血压 140 <90 亚组：临界收缩期高血压 140 - 149 <90 ---------------------------------------------------------------
1. Distribution of NHANES I Epidemiologic Follow-up Study Participants with a High-Normal Bpor Hypertension at Baseline according to BP lovel and risk categorization SBP/DBP Risk Risk Risk Group c mmHg Group a Group b 130-13985-89276(3.9)1371(193) 300642) 140-15990-99257(3.6)2208(31.1) 609(8.5) 160/≥100 107(15) 1505(212) 483(6.5) Total 6409.0)5084(71.7) 366(192) Values are n(%)
1. Distribution of NHANES I Epldemiologic Follow-up Study Participants with a High-Normal BP or Hypertension at Baseline According to BP Lovel and Risk Categorization 640(9.0) 107(1.5) 257(3.6) 276(3.9) Risk Group A Total 5084(71.7) 1366(19.2) ≥160/ ≥100 1505(21.2) 483(6.5) 140-159/90-99 2208(31.1) 609(8.5) 130-139/85-89 1371(19.3) 300(4.2) Risk Risk Group C Group B SBP/DBP, mmHg Values are n (%)
Estimated Effect of a 12mmHg Reduction in SBP Over 10 years on the Number-Needed-to-Treat to Prevent a Cardiovascular Disease Event to Baseline BP level and Category of Presumed Cardiovascular RisK Among Nhanes I Epidemiologic Follow-Up Study Participants Accordi Risk group a Risk group b Risk Group C SBP/DBP. Uncorrected Corrected* Uncorrected Corrected* Uncorrected Corrected* mmh 130-139/85-89 23 140-159/90-99 33 20 11 17 ≥160/≥100 10 8 See testor Table 1 for defInition of risk groups *Corrected for regression dilution bias using a re liability coefficient or 0.53 to correct for Imprecision in the measure ment of sBP
2. Estimated Effect of a 12mmHg Reduction in SBP Over 10 years on the Number-Needed-to-Treat to Prevent a Cardiovascular Disease Event Among NHANES I Epidemiologic Follow-Up Study Participants According to Baseline BP Level and Category of Presumed Cardiovascular Risk Risk Group A Risk Group B Risk Group C ≥160/ ≥100 16 10 13 7 16 8 140-159/90-99 33 20 19 11 17 9 130-139/85-89 41 25 23 13 19 10 SBP/DBP, Uncorrected Corrected* Uncorrected Corrected* Uncorrected Corrected* mmHg See test or Table 1 for deflnition of risk groups. *Corrected for regression dilution bias using a reliability coefficient or 0.53 to correct for Imprecision in the measurement of SBP