Table 1.
Baseline Characteristics of the Included Studies
| Authors | Design | Sample | Delirium | Patients Characteristics | ||||||||
| Prevalence (%) | Diagnosis | Timing | Age (years) | Male (%) | Hypertension (%) | Diabetes (%) | COPD (%) | CI/Dementia (%) | CRP (mg/L) | |||
| Garcez 2020 | RO | 707 | 33.1 | CHART-DEL | In-hospital | 66 | 57 | 68 | 42 | 10 | 4 (Dementia) | 132 |
| Kennedy 2020 | RO | 817 | 27.7 | CAM | At Admission | 77.7 | 47 | N/A | 38 | 27 | 30 (CI/Dementia) | N/A |
| Knopp 2020 | PO | 217 | 29.5 | N/A | At Admission | 80 | 62 | N/A | N/A | N/A | 33 (Dementia) | 92 |
| Marengoni 2020 | RO | 91 | 27.5 | 4AT, DSM-V | At Admission + In-hospital | 79.5 | 60.4 | N/A | N/A | N/A | N/A | N/A |
| Mcloughlin 2020 | O | 71 | 43.7 | 4-AT, DSM-IV | Single day | 64.9 | 74.4 | N/A | N/A | N/A | 12.8 (Dementia) | N/A |
| Mendes 2020 | RO | 235 | 12.3 | CAM | At Admission | 86.3 | 43.4 | 71.5 | 23 | 10.6 | 50.6 (Cognitive Disorders) | 66.3 |
| Poloni 2020 | RO | 57 | 36.8 | CAM | At Admission | 82.8 | 33.3 | 54.4 | 19.3 | 14 | 100 (Dementia) | 152.4 |
| Ticinesi 2020 | RO | 852 | 11.0 | CAM | At Admission | 75.7 | 52.8 | 58.5 | 21 | 12 | 18.3 (Dementia) | 99.2 |
| Zerah 2020 | RO | 821 | 25.0 | CAM | At Admission | 86 | 58 | 67 | 25 | 12 | 54 (Dementia) | 113 |
CAM: Confusion Assessment Method, CHART-DEL: Chart-Based Delirium Identification Instrument, CI: Cognitive Impairment, COPD: Chronic Obstructive Pulmonary Disease, DSM-IV: Diagnostic and Statistical Manual of Mental Disorders 4, DSM-V: Diagnostic and Statistical Manual of Mental Disorders 5, O: Observational, PO: Prospective Observational, RO: Retrospective Observational, N/A: Not Available