Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

16 questions · 16 findings · 8 reviews

No studies found 0 · 0%GRADE not reported 3 · 18.8%Very low 1 · 6.3%Low 6 · 37.5%Moderate 5 · 31.3%High 1 · 6.3%

Inhaled corticosteroids plus standard care vs placebo or usual care

All‐cause mortality · adults with a confirmed diagnosis of mild COVID‐19, of whom only 10% (219/2132) participants had received ≥ 1 vaccination

Inhaled corticosteroids plus standard care showed no clear difference in all‐cause mortality compared with standard care (with or without placebo) (low certainty).

1 finding from 1 review

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

Mortality (all‐cause) · patients with chronic obstructive pulmonary disease

It is very uncertain whether once‐daily ICS/LABA combined inhalers changes mortality (all‐cause) compared with once‐daily LAMA (very low certainty).

1 finding from 1 review

Tiotropium + LABA/ICS combination vs tiotropium

Mortality (all‐cause) · patients with chronic obstructive pulmonary disease

Tiotropium + LABA/ICS combination showed no clear difference in mortality (all‐cause) compared with tiotropium (moderate certainty).

1 finding from 1 review

Adults: formoterol/ICS vs salmeterol/ICS

All‐cause mortality ‐ formoterol and budesonide vs salmeterol and fluticasone · adults, chronic asthma: all‐cause mortality

Adults: formoterol/ICS showed no clear difference in all‐cause mortality ‐ formoterol/budesonide vs salmeterol/fluticasone compared with salmeterol/ICS (low certainty).

1 finding from 1 review

Adults: formoterol/ICS vs salmeterol/ICS

All‐cause mortality ‐ formoterol/mometasone vs salmeterol/fluticasone · adults, chronic asthma: all‐cause mortality

Adults: formoterol/ICS showed no clear difference in all‐cause mortality ‐ formoterol/mometasone vs salmeterol/fluticasone compared with salmeterol/ICS (low certainty).

1 finding from 1 review

Adults: formoterol/ICS vs salmeterol/ICS

All‐cause mortality ‐ formoterol/fluticasone vs salmeterol/fluticasone · adults, chronic asthma: all‐cause mortality

Adults: formoterol/ICS showed no clear difference in all‐cause mortality ‐ formoterol/fluticasone vs salmeterol/fluticasone compared with salmeterol/ICS (low certainty).

1 finding from 1 review