Figure 2.
Changes in classification of blood pressure before and after urination. 1. normal: <120/80 mm Hg, 2: prehypertension, 120-139 or 80-89 mm Hg, 3: hypertension, stage 1, 140-159 or 90-99 mm Hg, 4: hypertension, stage 2, ≥160 or ≥100 mm Hg.
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