Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

450 questions · 474 findings · 58 reviews

No studies found 96 · 20.3%GRADE not reported 49 · 10.3%Very low 102 · 21.5%Low 110 · 23.2%Moderate 77 · 16.2%High 40 · 8.4%

Treatment route: intravenous corticosteroid vs oral corticosteroid

Mortality after discharge (1‐3 months) · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in mortality after discharge (1‐3 months) compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Treatment failure Need for additional treatment · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in treatment failure Need to intensify therapy compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Relapse Hospital readmission for COPD · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in relapse Hospital readmission for COPD compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Intravenous immunoglobulin plus phototherapy vs phototherapy alone

Use of ET (≥ 1); placebo‐controlled studies · neonates with alloimmune hemolytic disease

Intravenous immunoglobulin plus phototherapy showed no clear difference in use of ET (≥ 1); placebo‐controlled studies compared with phototherapy alone (moderate certainty).

1 finding from 1 review

Intravenous immunoglobulin plus phototherapy vs phototherapy alone

Use of top‐up transfusion in 1st week of life; all studies · neonates with alloimmune hemolytic disease

Intravenous immunoglobulin plus phototherapy showed no clear difference in use of top‐up transfusion in 1st week of life; all studies compared with phototherapy alone (low certainty).

1 finding from 1 review

Intravenous immunoglobulin plus phototherapy vs phototherapy alone

Use of top‐up transfusion after 1st week of life; all studies · neonates with alloimmune hemolytic disease

It is very uncertain whether intravenous immunoglobulin plus phototherapy changes use of top‐up transfusion after 1st week of life; all studies compared with phototherapy alone (very low certainty).

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Amount of analgesia · Patients being treated for cancer (predominantly haematological malignancies)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Patient quality of life · Patients being treated for cancer (predominantly haematological malignancies)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Viral isolates (HSV isolates identified, with or without clinical symptoms) · Patients being treated for cancer (predominantly haematological malignancies)

Prophylactic aciclovir (oral or intravenous) led to lower viral isolates (HSV isolates identified, with or without clinical… compared with placebo; GRADE not reported.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs Prophylactic valaciclovir (oral)

Presence/absence of HSV oral lesions · Patients being treated for cancer (predominantly haematological malignancies)

Prophylactic aciclovir (oral or intravenous) showed no clear difference in presence/absence of HSV oral lesions compared with prophylactic valaciclovir (oral); GRADE not reported.

1 finding from 1 review

Prophylactic aciclovir (oral or intravenous) vs placebo

Presence/absence of HSV oral lesions · Patients being treated for cancer (predominantly haematological malignancies)

Prophylactic aciclovir (oral or intravenous) led to lower presence/absence of HSV oral lesions compared with placebo; GRADE not reported.

1 finding from 1 review