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Table 1 PECOS Criteria

From: Comparison of the experience of caregiving at end of life or in hastened death: a narrative synthesis review

Population Family members or caregivers of adult patients with life-limiting illness, through the point of death
Exposure Caring for an adult patient who is dying (life expectancy < 3–6 months) or who chooses hastened death (medical aid in dying, voluntarily stopping eating and drinking, euthanasia)
Context Caregiving in the home
Outcome Caregivers’ emotional, practical, and philosophical experiences with caring for loved ones at end of life, either because of illness or related to deliberately hastened death
Study Design Qualitative: interviews, focus groups, phenomenology, ethnography