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 mortality | 68 per 1,000 | 72 per 1,000 | NA* | 9,484 (6) | Moderate |
Serious adverse effects | 252 per 1,000 | 255 per 1,000 | NA* | 9,484 (6) | Low |
Total CV events | 127 per 1,000 | 113 per 1,000 | NA* | 9,484 (6) | Low |
CV mortality | 31 per 1,000 | 32 per 1,000 | NA* | 9,484 (6) | Moderate |
Withdrawals because of adverse effects | 7 per 1,000 | 60 per 1,000 | 19 (4 to 111) | 690 (2) | Very low |