Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,520 questions · 1,575 findings · 175 reviews · Headline outcomes only

No studies found 239 · 15.2%GRADE not reported 59 · 3.7%Very low 337 · 21.4%Low 406 · 25.8%Moderate 410 · 26%High 124 · 7.9%

Intermittent LTRA vs placebo

Number of participants experiencing one or more episode requiring treatment with oral steroids · episodic viral wheeze in children

Intermittent LTRA showed no clear difference in number of participants experiencing one or more episode requiring… compared with placebo (moderate certainty).

1 finding from 1 review

Intermittent ICS vs placebo

Exacerbations requiring oral corticosteroids ‐ School‐age children · School‐aged children and adults

Intermittent ICS showed no clear difference in exacerbations requiring oral corticosteroids ‐ School‐age children compared with placebo (low certainty).

1 finding from 1 review

Methotrexate vs placebo

Remission and complete withdrawal from steroids · patients with induction of remission in ulcerative colitis

Methotrexate showed no clear difference in remission and complete withdrawal from steroids compared with placebo (low certainty).

1 finding from 1 review

Intervention not reported

Asthma exacerbation as defined by hospital admission or treatment with a course of oral corticosteroids · participants with asthma

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Asthma exacerbation as defined by hospital admission or treatment with a course of oral corticosteroids · participants with exercise‐induced asthma

The review found no eligible studies for this question.

1 finding from 1 review

MHRV vs placebo

Mean exacerbations requiring a course of oral corticosteroids · asthmatics with sensitivity to house dust mite

MHRV showed no clear difference in exacerbations needing oral steroids compared with placebo (moderate certainty).

1 finding from 1 review

160/4.5 mcg BDF single inhaler therapy vs current best practice

Rate of exacerbations requiring systemic corticosteroids · adults with asthma not well controlled on ICS

160/4.5 mcg BDF single inhaler therapy probably leads to lower patients with exacerbations treated with oral steroids compared with current best practice (moderate certainty).

1 finding from 1 review

Single inhaler therapy vs fixed dose ICS

Rate of exacerbations requiring systemic corticosteroids · adults with asthma not well controlled on ICS

Single inhaler therapy leads to lower patients with exacerbations treated with oral steroids compared with fixed dose ICS (high certainty).

1 finding from 1 review

SiT for maintenance/relief vs higher‐dose ICS/LABA + SABA

Exacerbations requiring oral corticosteroids ‐ adults · Studies recruited adults and adolescents aged 12 and older with chronic asthma

SiT for maintenance/relief leads to lower patients with exacerbations requiring oral steroids compared with higher‐dose ICS/LABA + SABA (high certainty).

1 finding from 1 review

Intervention not reported

Exacerbations requiring a course of oral corticosteroids · children and adolescents aged 18 years and under studies with asthma

The review found no eligible studies for this question.

1 finding from 1 review

Long‐acting beta2‐agonists vs placebo

Moderate exacerbations (course of antibiotics or oral steroids) · patients with chronic obstructive pulmonary disease

Long‐acting beta2‐agonists probably leads to lower moderate exacerbations (course of antibiotics or oral steroids) compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

Utilisation of research (Thailand) (for six obstetric practices: social support during labour, magnesium sulphate for eclampsia, corticosteroids to women with preterm birth, selective episiotomy, antibiotic use at caesarean section and vacuum extr... · Healthcare decision makers, health system managers or policy makers
1 finding from 1 review

Intervention not reported

Utilisation of research (Mexico) (for six obstetric practices: social support during labour, magnesium sulphate for eclampsia, corticosteroids to women with preterm birth, selective episiotomy, antibiotic use at caesarean section and vacuum extrac... · Healthcare decision makers, health system managers or policy makers
1 finding from 1 review

Intervention not reported

Utilisation of research (4 obstetric practices: use of polyglycolic acid sutures, ventouse for instrumental delivery, prophylactic antibiotics in caesarean section, and prophylactic corticosteroids in preterm deliveries).2 · Healthcare decision makers, health system managers or policy makers
1 finding from 1 review