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Volume 30, Number 11—November 2024

Online Report

Rapid Decision Algorithm for Patient Triage during Ebola Outbreaks

Denis-Luc Ardiet1Comments to Author , Justus Nsio1, Gaston Komanda, Rebecca M. Coulborn, Emmanuel Grellety, Francesco Grandesso, Richard Kitenge, Dolla L. Ngwanga, Bibiche Matady, Guyguy Manangama, Mathias Mossoko, John K. Ngwama, Placide Mbala, Francisco Luquero, Klaudia Porten, and Steve Ahuka-Mundeke
Author affiliation: Epicentre, Paris, France (D.-L. Ardiet, G. Komanda, R.M. Coulborn, E. Grellety, F. Grandesso, F. Luquero, K. Porten); Ministry of Health, Kinshasa, Democratic Republic of the Congo (J. Nsio, R. Kitenge, D.L. Ngwanga, B. Matady, M. Mossoko, J.K. Ngwama); Médecins Sans Frontières France, Paris (G. Manangama); Institut National de la Recherche Biomédicale, Kinshasa (P. Mbala, S. Ahuka-Mundeke); University of Kinshasa, Kinshasa (S. Ahuka-Mundeke)

Main Article

Table 2

EVD confirmation rates and total number of patients classified by a rapid decision algorithm for patient triage during Ebola outbreaks and time-to-presentation based on a population of EVD-suspected patients, Democratic Republic of the Congo, during epidemics in 2018–2019*

Stratification of testing population Prediction scores, % (no.)
All scores −3 −2 −1 0 1 2 3 4 5
Short time-to-presentation
No stratification 1.6 (6,993) 0.0 (215) 0.7 (1,107) 1.1 (2,200) 1.1 (2,541) 5.0 (849) 11.5 (78) 0.0 (3)
Prioritized 6.8. (740) 0.0 (10) 4.0 (76) 2.6 (195) 3.8 (261) 14.7 (163) 24.2 (33) 0.0 (2)
Not prioritized 0.2 (4,471) 0.0 (159) 0.0 (759) 0.1 (1,496) 0.1 (1,504) 0.6 (522) 0.0 (30) 0.0 (1)
Unknown
 2.9 (1,782)
 0.0 (46)
 1.8 (272)
 3.1 (509)
 1.9 (776)
 9.2 (164)
 6.7 (15)
 NA
Long time-to-presentation
No stratification 2.3 (6,765) 0.0 (3) 0.0 (197) 0.7 (940) 1.0 (2,221) 1.9 (1,975) 4.1 (1,063) 8.2 (293) 25.8 (62) 36.4 (11)
Prioritized 17.3 (468) NA 0.0 (9) 4.0 (50) 7.32 (123) 13.4 (112) 24.0 (100) 37.5 (48) 52.4 (21) 40.0 (5)
Not prioritized 0.8 (4,629) 0.0 (2) 0.0 (157) 0.4 (702) 0.5 (1,468) 0.7 (1,377) 1.4 (706) 1.1 (185) 10.7 (28) 25.0 (4)
Unknown 2.2 (1,668) 0.0 (1) 0.0 (31) 1.1 (188) 0.8 (630) 2.7 (486) 3.9 (257) 6.7 (60) 15.4 (13) 50.0 (2)

*The algorithm (version 4.2) considered all times-to-presentation (time from symptom onset to seeking care). The testing population is either not stratified or stratified into those prioritized, those not prioritized, or unknown (see Methods). NA, not applicable.

Main Article

1These authors are co–principal investigators and contributed equally to this article.

Page created: October 03, 2024
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