A harmful or abnormal outcomeOutcomes are measures of health (for example quality of life, pain, blood sugar levels) that can be used to assess the effectiveness and safety of a treatment or other intervention (for example a drug, surgery, or exercise). In research, the outcomes considered most important are ‘primary outcomes’ and those considered less important are ‘secondary outcomes’., for example death or vomiting, that occurs during or after the use of a drug or other interventionA treatment, procedure or programme of health care that has the potential to change the course of events of a healthcare condition. Examples include a drug, surgery, exercise or counselling. (e.g. surgery or exercise) but has not necessarily been caused by that intervention.
adverse event by Selena Ryan-Vig
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