Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

488 questions · 501 findings · 191 reviews

No studies found 126 · 25.1%GRADE not reported 124 · 24.8%Very low 104 · 20.8%Low 89 · 17.8%Moderate 49 · 9.8%High 9 · 1.8%

Ambroxol vs corticosteroid (betamethasone)

Adverse effects in pregnant women frequency in pregnant women · women at risk of preterm birth

It is very uncertain whether ambroxol changes adverse effects in pregnant women frequency in pregnant women compared with corticosteroid (betamethasone) (very low certainty).

1 finding from 1 review

Pregabalin vs placebo

Withdrawals due to adverse events · people with drug‐resistant focal epilepsy

Pregabalin probably leads to higher treatment withdrawal due to adverse effects compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

Adverse maternal psychological effects (anxiety, depression or complicated grief) · women with a previous stillbirth of ≥ 20 weeks' gestation who are pregnant or considering a subsequent pregnancy

It is very uncertain whether the intervention changes adverse maternal psychological effects (anxiety, depression or… (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse maternal psychological effects (anxiety, depression or complicated grief) ‐ not measured · women with a previous stillbirth of > 20 weeks' gestation who are pregnant or considering a subsequent pregnancy

The review found no eligible studies for this question.

1 finding from 1 review

Oral methotrexate and oral prednisone vs prednisone or placebo

Adverse events associated with treatment · children and adolescents with active morphea (linear scleroderma, generalised morphea and mixed subtype: linear and circumscribed).

Oral methotrexate and oral prednisone showed no clear difference in primary outcome: Adverse effects compared with placebo and oral prednisone (low certainty).

1 finding from 1 review

Buprenorphine vs alpha2‐adrenergic agonists

Number with treatment stopped due to adverse effects · Adults or adolescents with opioid dependence

Buprenorphine showed no clear difference in number with treatment stopped due to adverse effects compared with alpha2‐adrenergic agonists (low certainty).

1 finding from 1 review

Pre-cooling of the injection site vs Conventional treatment

Adverse effects · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell wall preparation) plus standard therapy vs Standard therapy alone (radiotherapy or chemoradiotherapy)

Adverse effects · People with squamous cell carcinoma of the oral cavity or oropharynx

Non-specific immunotherapy (recombinant interleukin-2 or BCG cell… showed no clear difference in adverse effects compared with standard therapy alone; GRADE not reported.

9 findings from 1 review
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