The Association of Stage 1 Hypertension Defined by the 2017 ACC/AHA Guideline with Stroke and Its Subtypes among Elderly Chinese

Figure 2

The incidence of stroke and subtypes in newly defined BP levels. (a) All stroke, (b) ischemic stroke, and (c) hemorrhagic stroke. Normal: SBP <120 mmHg and DBP <80 mmHg; elevated: SBP 120–129 mmHg and DBP <80 mm Hg; stage 1, SBP 130–139 mm Hg or DBP 80–89 mm Hg;stage 2, SBP ≥140 mm Hg/DBP ≥90 mm Hg, or taking antihypertensive medications. Error bars represent 95% CI. CI: confidence interval.

(a)

(b)

(c)