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Evidence found and GRADE certainty

111 questions · 117 findings · 15 reviews · Headline outcomes only

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No studies found 20 · 17.1%GRADE not reported 1 · 0.9%Very low 31 · 26.5%Low 30 · 25.6%Moderate 21 · 17.9%High 14 · 12%

Anaerobic coverage only vs gram‐positive and gram‐negative coverage

Abdominal surgical site infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether anaerobic coverage only changes abdominal surgical site infection compared with gram‐positive and gram‐negative coverage (very low certainty).

1 finding from 1 review

Anaerobic coverage only vs gram‐positive and gram‐negative coverage

Intra‐abdominal infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether anaerobic coverage only changes intra‐abdominal infection compared with gram‐positive and gram‐negative coverage (very low certainty).

1 finding from 1 review

Anaerobic coverage only vs gram‐negative and anaerobic coverage

Abdominal surgical site infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether anaerobic coverage only changes abdominal surgical site infection compared with gram‐negative and anaerobic coverage (very low certainty).

1 finding from 1 review

Anaerobic coverage only vs gram‐negative and anaerobic coverage

Intra‐abdominal infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether anaerobic coverage only changes intra‐abdominal infection compared with gram‐negative and anaerobic coverage (very low certainty).

1 finding from 1 review

Gram‐negative and anaerobic coverage vs gram‐positive, gram‐negative, and anaerobic coverage

Abdominal surgical site infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether gram‐negative and anaerobic coverage changes abdominal surgical site infection compared with gram‐positive, gram‐negative, and anaerobic coverage (very low certainty).

1 finding from 1 review

Gram‐negative and anaerobic coverage vs gram‐positive, gram‐negative, and anaerobic coverage

Intra‐abdominal infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether gram‐negative and anaerobic coverage changes intra‐abdominal infection compared with gram‐positive, gram‐negative, and anaerobic coverage (very low certainty).

1 finding from 1 review

Gram‐positive and gram‐negative coverage vs gram‐negative and anaerobic coverage

Abdominal surgical site infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether gram‐positive and gram‐negative coverage changes abdominal surgical site infection compared with gram‐negative and anaerobic coverage (very low certainty).

1 finding from 1 review

Gram‐positive and gram‐negative coverage vs gram‐negative and anaerobic coverage

All‐cause mortality · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether gram‐positive and gram‐negative coverage changes mortality compared with gram‐negative and anaerobic coverage (very low certainty).

1 finding from 1 review

Gram‐positive and gram‐negative coverage vs gram‐negative and anaerobic coverage

Intra‐abdominal infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether gram‐positive and gram‐negative coverage changes intra‐abdominal infection compared with gram‐negative and anaerobic coverage (very low certainty).

1 finding from 1 review

Anaerobic coverage only vs gram‐positive, gram‐negative, and anaerobic coverage

Abdominal surgical site infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether anaerobic coverage only changes abdominal surgical site infection compared with gram‐positive, gram‐negative, and anaerobic coverage (very low certainty).

1 finding from 1 review

Anaerobic coverage only vs gram‐positive, gram‐negative, and anaerobic coverage

Intra‐abdominal infection · people undergoing laparotomy for penetrating abdominal trauma

It is very uncertain whether anaerobic coverage only changes intra‐abdominal infection compared with gram‐positive, gram‐negative, and anaerobic coverage (very low certainty).

1 finding from 1 review