Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,539 questions · 2,602 findings · 424 reviews · Headline outcomes only

No studies found 572 · 22%GRADE not reported 189 · 7.3%Very low 527 · 20.3%Low 685 · 26.3%Moderate 514 · 19.8%High 115 · 4.4%

Short interval vs long interval

Pregnancy rate · women trying to conceive by intrauterine insemination

Short interval may leads to lower pregnancy rate per couple ‐ 24 hours versus 34 to 36 hours compared with long interval (low certainty).

3 findings from 1 review

Short interval vs long interval

Miscarriage · women trying to conceive by intrauterine insemination

It is very uncertain whether short interval changes miscarriage rate per pregnancy ‐ 24 hours versus 34 to 36 hours compared with long interval (very low certainty).

3 findings from 1 review

Antibiotics (short duration) vs antibiotics (long duration) postpartum

Treatment failure (vaginal and cesarean delivery) · women with management of intra‐amniotic infection

Antibiotics (short duration) showed no clear difference in treatment failure (vaginal and cesarean delivery) compared with antibiotics (long duration) postpartum (low certainty).

1 finding from 1 review

Internal jugular vs subclavian insertion: long‐term catheterization

Exit‐site infection · cancer patients

Internal jugular showed no clear difference in catheter‐related infectious complications ‐ Exit site infection compared with subclavian insertion: long‐term catheterization (low certainty).

1 finding from 1 review

Internal jugular vs subclavian insertion: long‐term catheterization

Catheter‐related infectious complications ‐ Port‐related bacteraemia and/or pocket infections · cancer patients

Internal jugular showed no clear difference in catheter‐related infectious complications ‐ Port‐related bacteraemia… compared with subclavian insertion: long‐term catheterization (moderate certainty).

1 finding from 1 review

Internal jugular vs subclavian insertion: long‐term catheterization

Catheter‐related thrombotic complications · cancer patients

Internal jugular showed no clear difference in catheter‐related thrombotic complications compared with subclavian insertion: long‐term catheterization (moderate certainty).

1 finding from 1 review

Internal jugular vs subclavian insertion: long‐term catheterization

Immediate mechanical complications ‐ Total mechanical complications · cancer patients

Internal jugular showed no clear difference in immediate mechanical complications ‐ Total mechanical complications compared with subclavian insertion: long‐term catheterization (low certainty).

1 finding from 1 review

Internal jugular vs subclavian insertion: long‐term catheterization

Immediate mechanical complications ‐ Major mechanical complications · cancer patients

Internal jugular showed no clear difference in immediate mechanical complications ‐ Major mechanical complications compared with subclavian insertion: long‐term catheterization (low certainty).

1 finding from 1 review