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Table 2 Population of interest categorised by the study focus

From: Processes of consent in research for adults with impaired mental capacity nearing the end of life: systematic review and transparent expert consultation (MORECare_Capacity statement)

Patient population of interest Study focus on processes of consent
Innovating research methods (n = 37) Applying research methods (n = 30) Attitudes and ethical considerations (n = 22) Total studies (n = 89)*
Palliative care/cancer 6 [43,44,45,46,47,48] 8 [49,50,51,52,53,54,55,56] 2 [57, 58] 16
Dementia 13 [59,60,61,62,63,64,65,66,67,68,69,70,71] 10 [40, 42, 72,73,74,75,76,77,78,79] 1 [80] 24
Geriatric care 2 [81, 82] 3 [83,84,85] 0 5
Parkinson’s disease 1 [86] 0 0 1
Cerebral ischaemic stroke 2 [87, 88] 0 1 [89] 3
Mental health 6 [90,91,92,93,94,95] 2 [96, 97] 1 [98] 9
Delirium 2 [99, 100] 2 [101, 102] 0 4
Intensive care 5 [103,104,105,106,107] 5 [108,109,110,111,112] 4 [113,114,115,116] 14
General population 0 0 13 [117,118,119,120,121,122,123,124,125,126,127,128,129] 13
  1. *89 studies are reported from 91 publications (includes two study protocols [40, 42] reported with the main study papers [39, 41]