Research Article
The Phenomenology of Delirium: Presence, Severity, and Relationship between Symptoms
Table 2
Delirium phenomenology: prevalence of moderate and severe symptoms in % and mean MDAS scores.
| Delirium phenomenology | Mean MDAS scores | Presence in % |
| (1) Reduced consciousness/awareness | 1.89 (1–3, SD 0.62) | 75% | (2) Disorientation | 2.28 (1–3, SD 0.33) | 90% | (3) Short term memory impairment | 2.03 (1–3, SD 0.92) | 60% | (4) Impaired digit span | 2.45 (1–3, SD 0.58) | 96% | (5) Reduced ability to maintain/shift attention | 2.16 (1–3, SD 0.58) | 90% | (6) Disorganized thinking | 2.05 (1–3, SD 0.70) | 78% | (7) Perceptual disturbances | 1.08 (0–3, SD 1.08) | 34% | (8) Delusions |
0.92 (0–3, SD 0.90) | 28% | (9) Psychomotor abnormality | 2.22 (1–3, SD 0.50) | 96% | (10) Sleep-wake cycle disturbance | 2.08 (1–3, SD 0.56) | 88% |
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MDAS: Memorial Delirium Assessment Scale. SD: standard deviation.
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