Outcomes (average of 4 years)Risk with standard BP target (≤ 140 to 160/90 to 100 mm Hg)Risk with lower BP target (≤ 135/85 mm Hg)NNT or NNH (95% CI)Number of participants (number of studies)Quality of evidence
Total mortality68 per 1,00072 per 1,000NA*9,484 (6)Moderate
Serious adverse effects252 per 1,000255 per 1,000NA*9,484 (6)Low
Total CV events127 per 1,000113 per 1,000NA*9,484 (6)Low
CV mortality31 per 1,00032 per 1,000NA*9,484 (6)Moderate
Withdrawals because of adverse effects7 per 1,00060 per 1,00019 (4 to 111)690 (2)Very low