Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,773 questions · 1,817 findings · 212 reviews · Headline outcomes only

No studies found 383 · 21.1%GRADE not reported 192 · 10.6%Very low 472 · 26%Low 444 · 24.4%Moderate 228 · 12.5%High 98 · 5.4%

Hydroflotation agents vs no hydroflotation agents (or placebo)

Incidence of adhesions at second‐look laparoscopy · women having gynaecological surgery

Hydroflotation agents leads to lower incidence of adhesions at second‐look laparoscopy compared with no hydroflotation agents (or placebo) (high certainty).

1 finding from 1 review

Combined spinal‐epidural vs high‐dose spinal

Number of women requiring intra‐operative conversion to general anaesthesia · women undergoing caesarean section

It is very uncertain whether combined spinal‐epidural changes number of women requiring intra‐operative conversion to general… compared with high‐dose spinal (very low certainty).

1 finding from 1 review

Anti‐D administration in pregnancy vs no treatment

Incidence of Rhesus D alloimmunisation during pregnancy · Rh‐negative women without anti‐D antibodies

Anti‐D administration in pregnancy showed no clear difference in incidence of Rhesus D alloimmunisation during pregnancy compared with no treatment (low certainty).

1 finding from 1 review

Anti‐D administration in pregnancy vs no treatment

Incidence of Rhesus D alloimmunisation postpartum (at birth of Rh‐positive infant and at · Rh‐negative women without anti‐D antibodies

Anti‐D administration in pregnancy showed no clear difference in incidence of Rhesus D alloimmunisation postpartum (at birth of… compared with no treatment (low certainty).

1 finding from 1 review

Intervention not reported

Adverse effects from chest radiographs · adults and children with clinical signs and symptoms of acute lower respiratory tract infection

The review found no eligible studies for this question.

1 finding from 1 review