Table 2.
Comparison of the sociodemographic and clinical characteristics of patients with and without delirium
| Characteristic | Clinical Diagnosis n (%) or Mean±SD | P value (2-tailed) | ||
| Delirium (n=29) | No delirium (n=71) | |||
| Age | 59.45 (17.49 | 40.39 (13.25 | 0.000 | |
| Gender | ||||
| Male | 28 (30.4) | 64 (69.6) | 0.430 | |
| Female | 1 (12.5) | 7 (87.5) | ||
| Ethnicity | ||||
| Qatari | 2 (11.1) | 16 (88.9) | 0.119 | |
| Non-Qatari | 27 (32.9) | 55 (67.1) | ||
| Referral source | ||||
| Emergency department | 2 (9.5) | 19 (90.5) | 0.052 | |
| Inpatient units | 27 (34.2) | 52 (65.8) | ||
| Physical comorbidity | ||||
| Yes | 24 (35.8) | 43 (64.2) | 0.056 | |
| No | 5 (15.2) | 28 (84.8) | ||
| Current smoker | ||||
| Yes | 2 (13.3) | 13 (86.7) | 0.349 | |
| No | 26 (31.7) | 56 (68.3) | ||
| Current alcohol or substance use | ||||
| Yes | 1 (16.7) | 5 (83.3) | 0.669 | |
| No | 28 (29.8) | 66 (70.2) | ||
| Past psychiatric history | ||||
| Yes | 7 (20.0) | 28 (80.0) | 0.222 | |
| No | 22 (33.8) | 43 (66.2) | ||
| Maintenance psychotropics medication on admission | ||||
| Yes | 1 (5.9) | 16 (94.1) | 0.020 | |
| No | 28 (33.7) | 55 (66.3) | ||
| Psychosocial stress | ||||
| Yes | 6 (12.5) | 42 (87.5) | 0.001 | |
| No | 23 (44.2) | 29 (55.8) | ||
| Severity of COVID-19 | ||||
| Non-severe disease | 11 (16.9) | 54 (83.1) | 0.001 | |
| Severe disease | 18 (51.4) | 17 (48.6) | ||
| Oxygen administered | ||||
| Yes | 25 (50.0) | 25 (50.0) | 0.000 | |
| No | 4 (8.0) | 46 (92) | ||
| Treatment with antibiotics/antivirals | ||||
| Yes | 28 (35.4) | 51 (64.6) | 0.013 | |
| No | 1 (4.8) | 20 (95.2) | ||
| Treatment with chloroquine/hydroxychloroquine | ||||
| Yes | 18 (36.0) | 32 (64.0) | 0.019 | |
| No | 11 (22.0) | 39(78.0) | ||
| Treatment with steroids | ||||
| Yes | 21 (46.7) | 24 (53.3) | 0.001 | |
| No | 8 (14.5) | 47 (85.5) | ||
| Psychotropic medication prescribed during index admission | ||||
| Yes | 26 (30.6) | 59 (69.4) | 0.543 | |
| No | 3 (20.0) | 12 (80.0) | ||
| Length of hospital stay | 38.48 (36.71) | 21.62 (15.10) | 0.001 | |
| Lowest oxygen saturation during index admission | 84.10 (15.59) | 93.84 (5.16) | 0.000 | |
| Highest C-reactive protein value during index admission(Normal range=0–5 mg/L) | 227.36 (122.34) | 122.82 (135.46) | 0.001 | |
| Lowest lymphocytes count during index admission(Normal range=1–3×103 /microliter) | 1.11 (1.27) | 1.60 (0.91) | 0.033 | |
| Highest Neutrophils count during index admission(Normal range=2–7×103 /microliter) | 6.77 (4.26) | 6.14 (5.26) | 0.569 | |