Study ID | Country | Study Design | Setting | Total N | Delirium N (%) | Dementia N (%) | Age (y), mean (SD) | Female (%) | Inclusion Criteria | Exclusion Criteria | Co-morbid illness / illness severity | Delirium Diagnosis/Screening Tool | Delirium diagnosed by |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bellelli 2015a | Italy | Prospective cohort study | Acute hospital medical wards | 2521 | 72 (2.9) | 28 (38.9) | 79.1 (7.3) | 50.8 | Aged ā„65; SBT assessment ā¤72āh of admission | Comatose; Incomplete data | Dementia: ICD-9;Cognitive Impairment: SBT; Co-morbid illness/Illness Severity: Not reported | ICD-9-CM | Attending Physician |
Diwell 2018 | UK | Prospective cohort study | Acute hospital medical wards | 610 | 271 (44.4) | 129 (47.6) | 83 (7) | 59 | Aged ā„70;Unplanned medical admission; admitted ā„48āh | Non-English speaker | Dementia/Cognitive Impairment: Not reported; Co-morbid illness: CCI; Illness Severity: APACHE II | s-CAM | Psychiatrist |
Hall 2013a | UK | Prospective cohort study | Hospital orthopaedic wards | 108 | 44 (40.7) | Not reported | 80 | 61 | Aged ā„60; Admitted to orthopaedic wards; Acute hip fracture & spinal anaesthesia | Nursing home resident; Taken oral/inhaled steroids ā¤10āweeks; Parkinsonās disease /comorbid disease with prognosis ā¤1āyear; Communication difficulties | Dementia/Cognitive impairment: Not reported; Co-morbid illness: CCI; Illness Severity: APACHE II | CAM; DRS-R98; EDTB; OSLA; RASS | Geriatrician |
Han 2017 | USA | Secondary analysis of two prospective cohort studies | Emergency Department | 1084 | 155 (14.3) | 91 (8.4) | 77 (71ā84) median with IQR | 59.4 | Aged ā„65; In EDāā¤ā12āh | Non-English speaker; Persistent coma; Unable to follow simple commands before acute illness | Dementia/Cognitive impairment: IQCODE; Co-morbid illness/Illness Severity: Not reported | CAM-ICU; RASS | Research Assistants; Emergency Medical Technicians; Paramedics; Psychiatrist |
Jackson 2018b | UK | Prospective cohort study | Acute hospital medical wards | 125 | 125 (100) | 71 (57) | 84.4 (6.5) | 63 | Aged ā„70 with unplanned medical admission; Meet DSM-IV-TR criteria | Unable to communicate due to sensory impairment; Inability to communicate in English; End of life | Dementia/ Cognitive impairment: IQCODE; Co-morbid illness: CCI; Illness Severity: APACHE II | CAM; DSM-IV-TR; DRS-R98; OSLA | Geriatrician |
Garcez 2020 | Brazil | Retrospective cohort study | Geriatric hospital wards | 1554 | 445 (28) | 872 (56) | 81 (8) | 61 | Aged ā„65 nonelective hospitalisation; arousal assessment on admission using validated instrument | Discharged or died within 38āh of admission | Dementia/Cognitive impairment: IQCODE and Clinical Dementia Rating; Co-morbid illness: CCI; Illness Severity: Not reported | s-CAM | Clinical geriatrics fellow and revised by geriatrician |