Table 3 Number of diseases detected, alerts, verifications, and positive predictive values in Somalia, 2017–2020
From: Evaluation of the electronic Early Warning and Response Network (EWARN) system in Somalia, 2017–2020
Year | Detected | Verified, n (%) | Alerts investigated | True alerts | PPV (%) |
|---|---|---|---|---|---|
2017 | 10,617 | 211 (2) | 42 | 3 | 7.1 |
2018 | 22,067 | 968 (4.4) | 397 | 68 | 17.1 |
2019 | 22,068 | 968 (4.4) | 117 | 18 | 15.4 |
2020 | 10,828 | 3731 (34.5) | 236 | 23 | 9.7 |
Total | 65,580 | 5878 (9.0) | 792 | 112 | 14.1 |