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Volume 28, Number 9—September 2022

Research

Quantifying Population Burden and Effectiveness of Decentralized Surveillance Strategies for Skin-Presenting Neglected Tropical Diseases, Liberia

Joseph W.S. TimothyComments to Author , Emerson Rogers, Katherine E. Halliday, Tarnue Mulbah, Michael Marks, Zeela Zaizay, Romeo Giddings, Marie Kempf, Estelle Marion, Stephen L. Walker, Karsor K. Kollie, and Rachel L. Pullan1
Author affiliations: London School of Hygiene and Tropical Medicine, London, UK (J.W.S. Timothy, K.E. Halliday, M. Marks, S.L. Walker, R.L. Pullan); Ministry of Health, Monrovia, Liberia (E. Rogers, T. Mulbah, Z. Zaizay, R. Giddings, K.K. Kollie); Hospital for Tropical Diseases, London (M. Marks, S.L Walker); Université d’Angers, Angers, France (M. Kempf, E. Marion); Centre Hospitalier Universitaire Angers, Angers (M. Kempf)

Main Article

Table 1

Final prevalence estimates of primary and secondary skin-NTD outcomes, Liberia*

Disease Total no. cases Crude prevalence/10,000 persons (95% CI) Design-adjusted population prevalence/10,000 persons (95% CI) Median age, y Female, % Cluster prevalence range/10,000 persons ICC†
All skin NTDs
 236
41.5 (36.2–46.8)
 34.0 (29.1–38.9)
 42
 42.3
 0‒330
 0.27
Buruli ulcer
 4
0.7 (0.1–1.4)
 0.9 (0–1.8)
 16.5
 50.0
 0–39.4
 NA
Leprosy
 39
6.9 (4.7–9.0)
 4.4 (3.3–5.5)
 44
 42.8
 0–74.1
 0.18
LF lymphedema
 111
 19.5 (15.9–23.2)
 17.5 (14.1–21.0)
 48
 67.3
 0–209.7
 0.41
LF hydrocele
 58
10.2 (7.6–12.8)
 8.5 (4.8–12.3)
 43
 0
 0–256.4
 0.43
Active yaws 24 4.2 (2.5–5.9) 2.6 (1.4–3.9) 10 25.0 0‒205 0.93

*Age and sex data were missing for 9 skin NTD cases. ICC, intraclass correlation coefficient; LF, lymphatic filariasis; NA, not available; NTD, neglected tropical disease. †Not estimated for Buruli ulcer.

Main Article

1These authors contributed equally to this article.

Page created: July 02, 2022
Page updated: August 19, 2022
Page reviewed: August 19, 2022
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