What do systematic reviews say?

Adverse events: Acupuncture versus sham or placebo control · women with primary dysmenorrhoea

Adverse events none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain

Adverse events none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain

Adverse events none of the studies reported on this outcome · children and adolescents aged 4 years to 18 years, with chronic musculoskeletal pain

Minor adverse events not leading to withdrawal of treatment · bacterial folliculitis and boils (furuncles and carbuncles)

Minor adverse events not leading to withdrawal of treatment · bacterial folliculitis and boils (furuncles and carbuncles)

Minor adverse events not leading to withdrawal of treatment · bacterial folliculitis and boils (furuncles and carbuncles)

Adverse events associated with RIC treatment ‐ not reported · people with ischaemic stroke

Adverse events: Clinically important specific adverse events · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Adverse events: Clinically important specific adverse events · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Adverse events: Clinically important specific adverse events · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Adverse events of hearing aid fitting and use ‐ not measured · patients with tinnitus and co‐existing hearing loss

Frequency of intervention‐related non‐ocular adverse events ( · people with primary macula‐involving rhegmatogenous retinal detachments

Mortality or serious adverse events requiring hospital admission · Adults or children at increased risk of bacterial endocarditis (pre-existing cardiac condition) undergoing an invasive dental procedure

Specific adverse events: thromboembolic events ‐ not reported · women with recurrent or FIGO stage IVB cervical cancer

Number of participants experiencing any serious adverse events · patients with osteoarthritis

Number of participants experiencing any serious adverse events · patients with osteoarthritis

Serious adverse events/death: long‐term outcomes ‐ not reported · rehabilitation (long‐term outcomes)

Adverse events ‐ incidents of unspecified severe adverse events · Adults with co‐morbid PTSD and SMI

Discontinuation of therapy due to adverse events ‐ not measured · patients with non‐muscle invasive bladder cancer