Table 8. Prevalence of psychiatric symptoms in infected persons33 .
| Symptoms | Acute | Post-illness | ||||||
|---|---|---|---|---|---|---|---|---|
| Studies | Cases | Sample size | Prevalence (95% CI) | Studies | Cases | Sample size | Prevalence (95% CI) | |
| Any | 1 | 17 | 27 | 63.0% (42.8–80.4) | 1 | 0 | 4 | 0 (0.0–39.1) |
| Insomnia | 2 | 54 | 129 | 41.9% (22.5–50.5) | 4 | 34 | 280 | 12.1% (8.6–16.3) |
| Anxiety | 2 | 46 | 129 | 35.7% (27.6–44.2) | 2 | 21 | 171 | 12.3% (7.7–17.7) |
| Impaired concentration or attention | 1 | 39 | 102 | 38.2% (29.0–47.9) | 2 | 34 | 171 | 19.9% (14.2–26.2) |
| Impaired memory | 2 | 44 | 129 | 34.1% (26.2–42.5) | 3 | 44 | 233 | 18.9% (14.1–24.2) |
| Depressed mood | 2 | 42 | 129 | 32.6% (24.7–40.9) | 5 | 35 | 332 | 10.5% (7.5–14.1) |
| Confusion | 2 | 36 | 129 | 27.9% (20.5–36.0) | 1 | 1 | 621 | 0.2% (0.0–0.7) |
| Emotional lability | 1 | 30 | 102 | 29.4% (0.4–7.3) | 1 | 24 | 102 | 23.5% (15.8–32.3) |
| Altered consciousness | 1 | 17 | 82 | 20.7% (12.6–30.3) | NA | NA | NA | NA |
| Pressured speech | 1 | 21 | 102 | 20.6% (13.3–29.0) | 1 | 12 | 102 | 11.8% (6.1–18.8) |
| Euphoria | 1 | 8 | 102 | 7.8% (3.3–14.0) | 1 | 11 | 102 | 10.8% (5.4–17.6) |
| Aggression | 1 | 2 | 27 | 7.4% (0.2–21.1) | 1 | 1 | 102 | 1.0% (0.0–4.2) |
| Irritability | 1 | 5 | 102 | 4.9% (1.4–10.1) | 3 | 28 | 218 | 12.8% (8.7–17.6) |
| Auditory hallucinations | 2 | 6 | 129 | 4.7% (1.6–9.1) | 1 | 1 | 102 | 1.0% (0.0–4.2) |
| Persecutory ideas | 1 | 4 | 102 | 3.9% (0.9–8.7) | 1 | 2 | 102 | 2.0% (0.0–5.8) |
| Visual hallucinations | 1 | 2 | 102 | 2.0% (0.0–5.8) | NA | NA | NA | NA |
| Suicidality | 1 | 2 | 102 | 2.0% (0.0–5.8) | 1 | 0 | 102 | 0 (0.0–1.7) |
| Fatigue | NA | NA | NA | NA | 4 | 61 | 316 | 19.3% (15.1–23.9) |
| Frequent recall of traumatic memories | NA | NA | NA | NA | 1 | 55 | 181 | 30.4% (23.9–37.3) |
| Sleep disorder | NA | NA | NA | NA | 1 | 14 | 14 | 100% (88.0–100.0) |
| Psychotic symptoms (unspecified) | NA | NA | NA | NA | 1 | 4 | 90 | 4.4% (1.0–9.9) |
| Self-harm | NA | NA | NA | NA | 1 | 1 | 102 | 1.0% (0.0–4.2) |
CI = confidence interval.