Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

143 questions · 151 findings · 10 reviews · Work

No studies found 30 · 19.9%GRADE not reported 2 · 1.3%Very low 90 · 59.6%Low 18 · 11.9%Moderate 10 · 6.6%High 1 · 0.7%

Personal protective equipment (PPE) types: powered, air‐purifying respirator (PAPR) plus coverall vs N95 mask plus gown

Compliance with guidance ‐ Noncompliance with doffing guidance · healthcare worker volunteers

It is very uncertain whether personal protective equipment (PPE) types: powered, air‐purifying… changes compliance: noncompliance with doffing guidance compared with N95 mask plus gown (very low certainty).

1 finding from 1 review

Procedures: doffing with double gloves vs doffing with single gloves

Contamination: virus detected ‐ shirt · healthcare workers

It is very uncertain whether procedures: doffing with double gloves changes contamination: virus detected ‐ shirt compared with doffing with single gloves (very low certainty).

1 finding from 1 review

Procedures: doffing with double gloves vs doffing with single gloves

Contamination: virus detected ‐ pants · healthcare workers

It is very uncertain whether procedures: doffing with double gloves changes contamination: virus detected ‐ pants compared with doffing with single gloves (very low certainty).

1 finding from 1 review

Procedures: doffing with double gloves vs doffing with single gloves

Compliance with guidance ‐ Noncompliance: any error · healthcare workers

It is very uncertain whether procedures: doffing with double gloves changes non‐compliance: any error compared with doffing with single gloves (very low certainty).

1 finding from 1 review

Procedures: doffing with double gloves vs doffing with single gloves

Contamination with fluorescent · healthcare workers

It is very uncertain whether procedures: doffing with double gloves changes contamination with fluorescent compared with doffing with single gloves (very low certainty).

1 finding from 1 review

Procedures: donning and doffing with instructions vs No special instructions (control)

People with one or more errors · healthcare workers

It is very uncertain whether procedures: donning and doffing with instructions changes people with one or more errors compared with without instruction (very low certainty).

1 finding from 1 review

Procedures: doffing with extra sanitation of gloves vs standard no sanitation

Bacterial contamination: alcohol‐based hand rub · healthcare workers

Procedures: doffing with extra sanitation of gloves showed no clear difference in bacterial contamination: alcohol‐based hand rub compared with standard no sanitation (low certainty).

1 finding from 1 review

Procedures: doffing with hypochlorite vs doffing with alcohol‐based glove sanitiser

Contamination: MS2 · healthcare workers

It is very uncertain whether procedures: doffing with hypochlorite changes contamination: MS2 compared with doffing with alcohol‐based glove sanitiser (very low certainty).

1 finding from 1 review