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Table 3 Adverse event definitions

From: Flexor Injury Rehabilitation Splint Trial (FIRST): protocol for a pragmatic randomised controlled trial comparing three splints for finger flexor tendon repairs

Term

Definition

Adverse event (AE)

Any untoward medical occurrence in a trial participant

Serious adverse event (SAE)

An AE which is serious, defined as any untoward medical occurrence or effect that:

• Results in death

• Is life-threatening*

• Requires hospitalisation or prolongation of existing inpatients’ hospitalisation**

• Results in persistent or significant disability or incapacity

• Is a congenital anomaly/birth defect

• Is otherwise considered medically significant by the investigator***

Related AE/SAE

An AE or SAE which is related to a research procedure

Unexpected AE/SAE

An AE or SAE which has not been pre-specified as expected

Notable event

An event of particular interest that does not necessarily meet the criteria for seriousness but requires expedited reporting as per the protocol

  1. *The term life-threatening in the definition of a serious event refers to an event in which the patient is at risk of death at the time of the event; it does not refer to an event that hypothetically might cause death if it were more severe, for example, a silent myocardial infarction
  2. **Hospitalisation is defined as an inpatient admission, regardless of length of stay, even if the hospitalisation is a precautionary measure for continued observation. Hospitalisations for a pre-existing condition, that has not worsened or for an elective procedure do not constitute an SAE
  3. ***Other important medical events that may not result in death, be life-threatening, or require hospitalisation may be considered a serious adverse event/experience when, based upon appropriate medical judgement, they may jeopardise the patient and may require medical or surgical intervention to prevent one of the outcomes listed in this definition