有關血壓和中風風險的全球性證據 Global evidence on blood pressure and stroke risk Stroke and usual BP 4.00 中風風險 2.00 Relative Risk 1.00 of stroke 0.50 025 收縮壓 Usual SBP123136148162175 舒張壓 Usual DBP76849199105 Approximate mean usual BP (mmHg) 平均血壓 Reference and adapted from: MacMahon etal. 1990有關血壓和中風風險的全球性證據 Global evidence on blood pressure and stroke risk Reference and adapted from: MacMahon et al. 1990 中風風險 平均血壓 收縮壓 舒張壓