What do systematic reviews say?

Adverse events as N of participants with at least one adverse event objective · people with spinal stenosis

Number of major adverse effects defined by the study, before discharge · women with urinary stress incontinence undergoing continence surgery

Number of women with sepsis or bacteraemia at hospital discharge · women with urinary stress incontinence undergoing continence surgery

Muscle strength · people undergoing peripheral nerve repair of the upper limb

Impact on daily living · people undergoing peripheral nerve repair of the upper limb

Retention in treatment · people with substance use disorders

Serious adverse events · people with substance use disorders

Serious adverse events · people with substance use disorders

Thromboembolic events · patients at any age with solid cancer or haematological malignancy

Thrombocytopenia or haemorrhage5 (Subnet based on 13 studies including 2744 participants) · patients at any age with solid cancer or haematological malignancy

Hypertension5 (Subnet based on 24 studies including 8383 participants) · patients at any age with solid cancer or haematological malignancy

Thrombocytopenia or haemorrhage5 (Subnet based on 13 studies including 2744 participants) · patients at any age with solid cancer or haematological malignancy

Hypertension5 (Subnet based on 24 studies including 8383 participants) · patients at any age with solid cancer or haematological malignancy

Haemoglobin response (Subnet based on 31 studies including 6985 participants) · patients at any age with solid cancer or haematological malignancy

Proportion of susceptible participants who experienced a reduction or resolution of existing motion sickness symptoms · patients with motion sickness

Physiological measures: core temperature and gastric tachyarrhythmia (electrogastrography) · patients with motion sickness

Adverse effects: impaired cognitive function · patients with motion sickness

Proportion of susceptible participants who experienced a reduction or resolution of existing motion sickness symptoms · patients with motion sickness

Physiological measures: heart rate and core temperature · patients with motion sickness

Adverse effects: impaired cognition and blurred vision · patients with motion sickness