Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,918 questions · 5,537 findings · 1,803 reviews

No studies found 1,309 · 23.6%GRADE not reported 440 · 7.9%Very low 1,560 · 28.2%Low 1,292 · 23.3%Moderate 751 · 13.6%High 185 · 3.3%

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Tramadol vs placebo

Withdrawals due to adverse events · Patients with osteoarthritis of the knee or hip

Tramadol alone probably leads to higher number of participants who withdrew due to adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

Risk of adverse events (until time of hospital discharge) · individuals with infant botulism

The intervention showed no clear difference in risk of adverse events (until time of hospital discharge) (moderate certainty).

1 finding from 1 review

TACE followed by 3‐DCRT vs chemoembolisation

Non‐serious adverse events: serum transaminases elevation · primary hepatocellular carcinoma

It is very uncertain whether TACE followed by 3‐DCRT changes non‐serious adverse events: serum transaminases elevation compared with TACE (very low certainty).

1 finding from 1 review

Antifibrinolytic therapy - locally-applied tranexamic acid (TXA) mouthwash/solution (SoF eligibility: TXA or EACA; all included trials used topical TXA) vs Placebo mouthwash

Adverse effects requiring withdrawal/discontinuation of study medication · People on continuous VKA treatment undergoing minor oral surgery or dental extractions (eligibility included DOACs and all ages; all four…

Antifibrinolytic therapy - locally-applied tranexamic acid (TXA)… showed no clear difference in side effects or other adverse events requiring withdrawal compared with placebo (placebo solution/mouthwash) (moderate certainty).

1 finding from 1 review

Intramuscular ceftriaxone vs oral amoxicillin plus oral probenecid

Adverse events including treatment‐related adverse events · pregnant women with gonorrhoea infection

It is very uncertain whether intramuscular ceftriaxone changes adverse events including treatment‐related adverse events compared with oral amoxicillin plus oral probenecid (very low certainty).

1 finding from 1 review

Bisphosphonates vs placebo

Withdrawals due to adverse events · Paget's disease of bone

Bisphosphonates showed no clear difference in number of participants who withdrew due to adverse events compared with placebo (low certainty).

1 finding from 1 review

Intervention not reported

Adverse events ‐ Change of/or withdrawal from treatment ( · people with hepatic encephalopathy

It is very uncertain whether the intervention changes adverse events ‐ Change of/or withdrawal from treatment ( (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse events ‐ Change of/or withdrawal from treatment ( · people with hepatic encephalopathy

It is very uncertain whether the intervention changes adverse events ‐ Change of/or withdrawal from treatment ( (very low certainty).

1 finding from 1 review

Single‐fraction radiotherapy (8 Gy) vs short‐course radiotherapy (16 Gy

Adverse events Grade 3 oesophagitis, diarrhoea and nausea · adults with metastatic extradural spinal cord compression (poor prognosis with visceral metastasis, and no spinal instability or bony…

Single‐fraction radiotherapy (8 Gy) showed no clear difference in adverse events Grade 3 oesophagitis, diarrhoea and nausea compared with short‐course radiotherapy (16 Gy (moderate certainty).

1 finding from 1 review

Summary of findings: colistimethate dry powder for inhalation (Colobreathe®) vs tobramycin

Adverse events: number of treatment related adverse events · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Summary of findings: colistimethate dry powder for inhalation… may leads to higher adverse events: number of treatment related adverse events compared with tobramycin (low certainty).

1 finding from 1 review