Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,187 questions · 1,233 findings · 137 reviews

No studies found 190 · 15.4%GRADE not reported 57 · 4.6%Very low 241 · 19.5%Low 323 · 26.2%Moderate 315 · 25.5%High 107 · 8.7%

Strategies to increase use of antenatal corticosteroids vs usual care

Maternal infection or inflammation (at population level) · women at risk of preterm birth

Strategies to increase use of antenatal corticosteroids may leads to higher maternal infection or inflammation (at population level) compared with routine (usual) care (low certainty).

1 finding from 1 review

Strategies to increase use of antenatal corticosteroids vs usual care

Maternal death · women at risk of preterm birth

Strategies to increase use of antenatal corticosteroids showed no clear difference in maternal mortality (at population level) compared with routine (usual) care (low certainty).

1 finding from 1 review

Once‐daily ICS/LABA combined inhalers vs once‐daily LAMA

Any COPD exacerbation that requires short‐burst oral corticosteroids or antibiotics, or both · patients with chronic obstructive pulmonary disease

It is very uncertain whether once‐daily ICS/LABA combined inhalers changes any COPD exacerbation that requires short‐burst oral corticosteroids… compared with once‐daily LAMA (very low certainty).

1 finding from 1 review

Intervention not reported

Patients with ≥ 1 exacerbations requiring oral corticosteroids Duration of trials: 6 to 16 weeks · adults and adolescents with persistent asthma

The intervention probably leads to lower patients with ≥ 1 exacerbations requiring oral corticosteroids… (moderate certainty).

1 finding from 1 review

Intervention not reported

Participants with ≥ 1 exacerbation requiring oral corticosteroids Duration of trials: 8 to 24 weeks · adults and adolescents with persistent asthma

The intervention showed no clear difference in participants with ≥ 1 exacerbation requiring oral corticosteroids… (low certainty).

1 finding from 1 review

Intervention not reported

Patients with ≥ 1 exacerbation requiring oral corticosteroids Duration of trials: 8 to 13 weeks · adults and adolescents with persistent asthma

The intervention showed no clear difference in patients with ≥ 1 exacerbation requiring oral corticosteroids… (moderate certainty).

1 finding from 1 review

Stopping LABA vs continuing use of LABA+ICS

Rate of exacerbations requiring systemic corticosteroids · adults with asthma well controlled on LABA and ICS

Stopping LABA showed no clear difference in exacerbation: systemic corticosteroids 17 weeks compared with continuing use of LABA+ICS (moderate certainty).

1 finding from 1 review

Anti‐leukotrienes & ICS vs same‐dose ICS

Number of participants experiencing one or more episode requiring treatment with oral steroids · children with asthma

Anti‐leukotrienes & ICS may leads to lower participants with one or more exacerbations requiring oral… compared with same dose ICS (low certainty).

1 finding from 1 review

Anti‐leukotrienes & ICS vs ICS dose increase

Number of participants experiencing one or more episode requiring treatment with oral steroids · children with asthma

Anti‐leukotrienes & ICS may leads to lower participants with one or more exacerbations requiring oral… compared with higher dose ICS (low certainty).

1 finding from 1 review

Intermittent 'as needed' ICS vs daily ICS

Number of participants experiencing one or more episode requiring treatment with oral steroids · Children and adults with persistent asthma.

Intermittent 'as needed' ICS showed no clear difference in patients with 1 or more exacerbations requiring oral corticosteroids… compared with daily ICS (low certainty).

1 finding from 1 review

Corticosteroids vs control

Infectious complications · people with inflammatory bowel disease

It is very uncertain whether risk of postoperative infectious complications: corticosteroids changes overall infectious complications within 30 days of surgery compared with control (very low certainty).

3 findings from 1 review

Corticosteroids vs control

Incisional infections and wound dehiscence within 30 days of surgery · people with inflammatory bowel disease

It is very uncertain whether risk of postoperative infectious complications: corticosteroids changes incisional infections and wound dehiscence within 30 days of surgery compared with control (very low certainty).

1 finding from 1 review

Corticosteroids vs control

Intra‐abdominal infectious complications within 30 days of surgery · people with inflammatory bowel disease

It is very uncertain whether risk of postoperative infectious complications: corticosteroids changes intra‐abdominal infectious complications within 30 days of surgery compared with control (very low certainty).

1 finding from 1 review

Corticosteroids vs control

Extra‐abdominal infections within 30 days of surgery · people with inflammatory bowel disease

It is very uncertain whether risk of postoperative infectious complications: corticosteroids changes extra‐abdominal infections within 30 days of surgery compared with control (very low certainty).

1 finding from 1 review

Systemic corticosteroids plus intranasal steroid/mucolytic/decongestant vs no intervention

Psychophysical testing for recovery of sense of smell · adults with olfactory dysfunction for ≥ 4 weeks following COVID‐19 infection

It is very uncertain whether systemic corticosteroids plus intranasal… changes psychophysical testing for recovery of sense of smell compared with no intervention (very low certainty).

1 finding from 1 review