Volume 24, Number 1—January 2018
Research
Sensitivity and Specificity of Suspected Case Definition Used during West Africa Ebola Epidemic
Christopher H. Hsu
, Steven W. Champaloux, Sakoba Keïta, Lise Martel, Pepe Bilivogui, Barbara Knust, and Andrea M. McCollum
, Steven W. Champaloux, Sakoba Keïta, Lise Martel, Pepe Bilivogui, Barbara Knust, and Andrea M. McCollum
Table 1
Characteristics of 2,847 persons used for analysis of suspected case definition during West Africa Ebola epidemic, Guinea, March–October 2014
| Characteristic | No. (%) |
|---|---|
| No. persons |
2,847 (100.0) |
| Sex | |
| M | 1,396 (49.0) |
| F | 1,408 (49.5) |
| Missing |
43 (1.5) |
| Age, y | |
| 0–<5 | 166 (5.8) |
| 5–15 | 259 (9.1) |
| 16–25 | 474 (16.6) |
| 26–35 | 625 (21.9) |
| 36–45 | 517 (18.2) |
| 46–55 | 295 (10.4) |
| >55 | 414 (14.5) |
| Missing |
97 (3.4) |
| Fever (temperature) recorded | |
| >38.6°C | 29 (1.0) |
| >38°C | 34 (1.2) |
| Missing |
2,813 (98.8) |
| Sign/symptom reported | |
| Fever, tactile or measured at >38°C | 1,524 (53.5) |
| Fatigue | 1,400 (49.2) |
| Diarrhea | 963 (33.8) |
| Vomiting/nausea | 1,019 (35.8) |
| Anorexia | 772 (27.1) |
| Headache | 782 (27.5) |
| Chest pain | 44 (1.5) |
| Abdominal pain | 483 (16.9) |
| Muscle pain | 445 (15.6) |
| Joint pain | 331 (11.6) |
| Difficulty swallowing | 32 (1.1) |
| Difficulty breathing | 35 (1.2) |
| Hiccups | 121 (4.3) |
| Unexplained bleeding |
274 (9.6) |
| Epidemiologic risk factors in past month | |
| Contact with any sick person | 282 (9.9) |
| Contact with infectious bodily fluids from known case-patient | 36 (1.3) |
| Physical contact with a case-patient, dead or alive | 87 (3.1) |
| Participated in a funeral touching/carrying a body | 83 (2.9) |
| Contact with bats or nonhuman primates |
2 (0.1) |
| Laboratory confirmation status | |
| Reverse transcription PCR positive | 1,304 (45.8) |
| Reverse transcription PCR negative | 1,233 (43.3) |
| Unconfirmed/eliminated |
310 (10.9) |
| Final status | |
| Alive | 1,012 (35.5) |
| Dead | 1,124 (39.5) |
| Status missing | 711 (24.9) |
Page created: December 19, 2017
Page updated: December 19, 2017
Page reviewed: December 19, 2017
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