Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,721 questions · 19,640 findings · 2,039 reviews · Headline outcomes only

No studies found 3,754 · 19.1%GRADE not reported 1,273 · 6.5%Very low 4,859 · 24.7%Low 5,568 · 28.4%Moderate 3,240 · 16.5%High 946 · 4.8%

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Lower blood pressure targets vs standard blood pressure targets

Total serious adverse events · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in total serious adverse events compared with standard blood pressure targets (low certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Cardiovascular mortality · cardiovascular disease with high blood pressure

Lower blood pressure targets showed no clear difference in cardiovascular mortality compared with standard blood pressure targets (moderate certainty).

1 finding from 1 review

Lower blood pressure targets vs standard blood pressure targets

Withdrawals due to adverse events · cardiovascular disease with high blood pressure

It is very uncertain whether lower blood pressure targets changes participant withdrawals due to adverse effects compared with standard blood pressure targets (very low certainty).

1 finding from 1 review

Antidepressant plus antipsychotic vs placebo plus antidepressant

Leaving the study early · adults with psychotic depression

It is very uncertain whether antidepressant plus antipsychotic changes overall dropouts compared with placebo plus antidepressant (very low certainty).

2 findings from 1 review

Antidepressant plus antipsychotic vs placebo plus antidepressant

Acceptability ‐ dropouts due to adverse effects · adults with psychotic depression

The review found no eligible studies for this question.

2 findings from 1 review

NIPPV vs NCPAP

Respiratory failure post extubation · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) probably leads to lower respiratory failure postextubation compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).

1 finding from 1 review

NIPPV vs NCPAP

Gastrointestinal perforation · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in gastrointestinal perforation compared with nasal continuous positive airway pressure (NCPAP) (low certainty).

1 finding from 1 review

NIPPV vs NCPAP

Necrotising enterocolitis · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in necrotising enterocolitis compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).

1 finding from 1 review

NIPPV vs NCPAP

Chronic lung disease · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in chronic lung disease (oxygen supplementation at 36 weeks) compared with nasal continuous positive airway pressure (NCPAP) (moderate certainty).

1 finding from 1 review

NIPPV vs NCPAP

Mortality before hospital discharge · preterm neonates after extubation

Nasal intermittent positive pressure ventilation (NIPPV) showed no clear difference in mortality (defined as death before discharge) compared with nasal continuous positive airway pressure (NCPAP) (low certainty).

1 finding from 1 review

Summary of findings table ‐ Preoperative exercise training vs no exercise

Exercise capacity · people scheduled to undergo lung resection for non‐small cell lung cancer
2 findings from 1 review