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Evidence found and GRADE certainty

4,410 questions · 8,901 findings · 1,091 reviews

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No studies found 1,687 · 19%GRADE not reported 1,469 · 16.5%Very low 1,969 · 22.1%Low 2,060 · 23.1%Moderate 1,302 · 14.6%High 414 · 4.7%

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Higher threshold (500 mL per six hours or greater) vs lower threshold (less than 500 mL per six hours) at time of aspiration

Pneumonia · adults receiving EN via nasogastric or gastrostomy tube

It is very uncertain whether higher threshold (500 mL per six hours or greater) changes pneumonia (until discontinued or up to 28 days) compared with lower threshold (less than 500 mL per six hours) at time of aspiration (very low certainty).

1 finding from 1 review

Alternating pressure (active) air surfaces on operating tables and subsequently on ward beds vs reactive gel surfaces on operating tables followed by foam surfaces on ward beds

Proportion of participants developing a new pressure ulcer · pressure ulcer prevention

Alternating pressure (active) air surfaces on operating tables and… may leads to lower proportion of participants developing a new pressure ulcer compared with reactive gel surfaces on operating tables followed by foam surfaces… (low certainty).

1 finding from 1 review

Aspirin vs low molecular weight heparin

All‐cause mortality · ambulatory patients with multiple myeloma receiving immunomodulatory agents

It is very uncertain whether aspirin (ASA) changes all‐cause mortality compared with low molecular weight heparin (LMWH) (very low certainty).

2 findings from 1 review

Aspirin vs low molecular weight heparin

Symptomatic DVT · ambulatory patients with multiple myeloma receiving immunomodulatory agents

It is very uncertain whether aspirin (ASA) changes symptomatic deep vein thrombosis compared with low molecular weight heparin (LMWH) (very low certainty).

2 findings from 1 review

Aspirin vs low molecular weight heparin

Pulmonary embolism · ambulatory patients with multiple myeloma receiving immunomodulatory agents

It is very uncertain whether aspirin (ASA) changes pulmonary embolism compared with low molecular weight heparin (LMWH) (very low certainty).

2 findings from 1 review

Aspirin vs low molecular weight heparin

Major bleeding · ambulatory patients with multiple myeloma receiving immunomodulatory agents

It is very uncertain whether aspirin (ASA) changes major bleeding compared with low molecular weight heparin (LMWH) (very low certainty).

2 findings from 1 review