Table 1.
Clinical Characteristics and Frequency of Various Clinical Diagnoses of Patients Referred to the COVID-19 Consultation-Liaison Psychiatry Service
| Clinical characteristic | % (frequency) N = 205 |
|---|---|
| Pre-existing psychiatric disorder (other than SUDs) | 12.2 (25) |
| Major depressive disorder | 3.9 (08) |
| Bipolar disorder | 2.9 (06) |
| Anxiety disorder | 2.9 (06) |
| Schizophrenia | 1.0 (02) |
| Obsessive compulsive disorder | 1.0 (02) |
| Dissociative disorder | 0.5 (01) |
| Pre-existing SUDs | 14.1 (29) |
| Alcohol use disorder | 11.7 (24) |
| Cannabis dependence syndrome | 1.0 (02) |
| Opioid dependence syndrome | 1.5 (03) |
| Clinical diagnosis | |
| Delirium | 39.0 (80) |
| Hyperactive delirium | 22.9 (47) |
| Mixed delirium | 9.2 (19) |
| Hypoactive delirium | 6.8 (14) |
| Anxiety and stress-related disorders | 17.5 (36) |
| Major depressive disorder | 5.4 (11) |
| Bipolar disorder | 2.9 (06) |
| Schizophrenia and other psychotic disorders | 2.5 (05) |
| Organic brain disorder | 2.0 (04) |
| Obsessive compulsive disorder | 1.5 (03) |
| SUDs/Intoxication | 15.6 (32) |
| Alcohol-related disorders | 12.7 (26) |
| Cannabis dependence syndrome | 1.0 (02) |
| Opioid dependence syndrome with withdrawal | 1.0 (02) |
| Opioid/benzodiazepine intoxication | 1.0 (02) |
| Deliberate self-harm | 4.4 (09) |
| Primary insomnia | 0.5 (01) |
| No psychiatric diagnosis | 15.1 (31) |
SUD = substance use disorder.