Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,908 questions · 3,101 findings · 509 reviews

No studies found 571 · 18.4%GRADE not reported 358 · 11.5%Very low 723 · 23.3%Low 854 · 27.5%Moderate 489 · 15.8%High 106 · 3.4%

Beta‐blockers vs placebo

Total cardiovascular disease

Beta‐blockers may leads to lower total cardiovascular disease compared with placebo (low certainty).

1 finding from 1 review

Beta‐blockers vs placebo

Total coronary heart disease

Beta‐blockers showed no clear difference in total coronary heart disease compared with placebo (moderate certainty).

1 finding from 1 review

Beta‐blockers vs placebo

Withdrawals due to adverse events

Beta‐blockers showed no clear difference in withdrawal due to adverse effect compared with placebo (low certainty).

1 finding from 1 review

Beta‐blockers vs diuretics

Total mortality

Beta‐blockers showed no clear difference in total mortality compared with diuretics (moderate certainty).

1 finding from 1 review

Beta‐blockers vs diuretics

Total cardiovascular disease

Beta‐blockers showed no clear difference in total cardiovascular disease compared with diuretics (moderate certainty).

1 finding from 1 review

Beta‐blockers vs diuretics

Total coronary heart disease

Beta‐blockers showed no clear difference in total coronary heart disease compared with diuretics (low certainty).

1 finding from 1 review

Intervention not reported

PIPP score during drug infusion Range of scale 0‐21 for infants < 28 weeks' PMA and 0‐18 for infants > 36 weeks' PMA. Lower score = less pain (Stevens 1996) · neonates requiring intubation and ventilation

The intervention showed no clear difference in PIPP score during drug infusion Range of scale 0‐21 for infants < 28… (moderate certainty).

1 finding from 1 review

Intervention not reported

Poor neurological outcome by 28 days' postnatal age · neonates requiring intubation and ventilation

The intervention showed no clear difference in poor neurological outcome by 28 days' postnatal age (moderate certainty).

1 finding from 1 review

Intervention not reported

PIPP score during drug infusion Range of scale 0‐21 for infants < 28 weeks' PMA and 0‐18 for infants > 36 weeks' PMA. Lower score = less pain (Stevens 1996) · neonates requiring intubation and ventilation

The intervention showed no clear difference in PIPP score during drug infusion Range of scale 0‐21 for infants < 28… (moderate certainty).

1 finding from 1 review