Volume 24, Number 1—January 2018
Research
Sensitivity and Specificity of Suspected Case Definition Used during West Africa Ebola Epidemic
Table 3
Analysis of Ebola virus disease suspected case definition during West Africa Ebola epidemic, Guinea, March–October 2014
Component of case definition analyzed | p value | Sensitivity, % | Specificity, % | Positive predictive value, % | Negative predictive value, % |
---|---|---|---|---|---|
Complete definition | <0.0001 | 68.9 | 49.6 | 64.2 | 54.9 |
Epidemiologic risk criteria* | <0.0001 | 74.7 | 67.1 | 82.3 | 56.4 |
Clinical criteria | <0.0001 | 57.2 | 62.0 | 66.4 | 52.5 |
Unexplained bleeding | 0.04 | 9.9 | 86.6 | 49.1 | 42.3 |
Unexplained death | <0.0001 | 14.2 | 92.8 | 72.0 | 45.2 |
*Contact with infected persons or body fluid, handling of bushmeat, attending the funeral of an Ebola case-patient.