Table 4.
Estimates of acute febrile illness diagnoses using a Bayesian model of published test characteristics
| Test | Sensitivity % | Specificity % | Adults | Children | ||
|---|---|---|---|---|---|---|
| Positive tests, n/N (%) | True prevalence estimate, n (%, 95% CI) | Positive tests, n/N (%) | True prevalence estimate, n (%, 95% CI) | |||
| Dengue22 | 66–72 | 97–98 | 201/905 (22) | 270 (30, 26–34) | 51/630 (8) | 55 (9, 6–12) |
| Chikungunya28 | 20 | 93 | 30/829 (4) | 15 (2, 0–6) | 5/605 (1) | 8 (1, 0–5) |
| Bacteremia after antibiotic exposure29 | 50–64 | 100 | 40/1,018 (4) | 64 (6, 4–9) | 11/357 (3) | 5 (2–9) |
| Leptospirosis30 | 31–52 | 66–91 | 18/155 (12) | 14 (9, 0–28) | 0/9 (0) | 3 (0–81) |
| Influenza31 | 36–70 | 96–100 | 8/672 (1) | 10 (2, 0–4) | 5/503 (1) | 7 (1, 0–4) |
| Malaria RDT32,33 | 24–89 | 81–99 | 86/929 (9) | 98 (8, 0–30) | 14/703 (2) | 12 (2, 0–6) |
| Malaria microscopy32,34 | 29–91 | 98–100 | 74/933 (8) | 142 (15, 7–27) | 11/733 (2) | 14 (2, 0–6) |
CI = confidence interval; RDT = rapid diagnostic test.