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What do systematic reviews say?

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Evidence found and GRADE certainty

1,270 questions · 1,480 findings · 174 reviews

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No studies found 252 · 17%GRADE not reported 405 · 27.4%Very low 301 · 20.3%Low 284 · 19.2%Moderate 174 · 11.8%High 64 · 4.3%

Single component intervention vs control

Exacerbations (number of people experiencing ≥ 1 exacerbations) · COPD

It is very uncertain whether single component intervention changes exacerbations: number of people experiencing exacerbations compared with control (very low certainty).

1 finding from 1 review

Single component intervention vs control

Adverse events: number of people experiencing adverse events (all cause or COPD‐related), serious adverse events, mortality · COPD

It is very uncertain whether single component intervention changes adverse events: number of people experiencing adverse events (all… compared with control (very low certainty).

1 finding from 1 review

Procedures: single‐step doffing vs Centers

Contamination with fluorescent · Preventing highly infectious diseases due to exposure to contaminated body fluids in healthcare staff

It is very uncertain whether procedures: single‐step doffing changes fluorescent contamination compared with centers (very low certainty).

1 finding from 1 review

Procedures: single‐step doffing vs Centers

Bacterial contamination · Preventing highly infectious diseases due to exposure to contaminated body fluids in healthcare staff

It is very uncertain whether procedures: single‐step doffing changes bacterial contamination compared with centers (very low certainty).

1 finding from 1 review