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Meta-Analysis
. 2021 Aug 4;21(1):755.
doi: 10.1186/s12879-021-06441-9.

Prevalence of strongyloidiasis in Peru: systematic review and meta-analysis

Affiliations
Meta-Analysis

Prevalence of strongyloidiasis in Peru: systematic review and meta-analysis

Sonia Ortiz-Martínez et al. BMC Infect Dis. .

Abstract

Background: Strongyloidiasis is a disease of great public health significance, caused by the parasitic nematodes Strongyloides stercoralis, Strongyloides fuelleborni, and Strongyloides fuelleborni subsp. kellyi. This systematic review and meta-analysis aimed to assess the prevalence of Strongyloides stercoralis infection in Peru.

Methods: The review was based on a literature search in PubMed, SciELO and Google Scholar using the key words or root words "strongyl*" AND "Peru" on 15 July 2020. Eligible studies were published from 1 January 1981 to 15 July 2020 and written in English, Spanish, Italian, or French.

Results: We included 21 papers in the analysis. Studies were heterogeneous in terms of study population and diagnostic methods (e.g. Baermann technique, agar, Dancescu or charcoal cultures, serology, string capsule). Prevalence of S. stercoralis ranged from 0.3 to 45%. The pooled proportion of Strongyloides in the general population was 7.34% (95% CI 4.97 to 10.13%). Half the studies were designed to detect parasites in general. In studies designed to detect S. stercoralis, the most widely used diagnostic method was the Baermann technique.

Conclusion: Prevalence of S. stercoralis in Peru was high but varied by geographic area, techniques for stool examination, and participant characteristics.

Keywords: Peru; Prevalence; Serology; Seroprevalence; Strongyloides stercoralis.

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Conflict of interest statement

The authors have declared no conflict of interest.

Figures

Fig. 1
Fig. 1
Flow chart for study selection
Fig. 2
Fig. 2
Forest plot of pooled prevalence of Strongyloides infection in general population
Fig. 3
Fig. 3
Forest plot of pooled prevalence of Strongyloides infection in children
Fig. 4
Fig. 4
Forest plot of pooled prevalence of Strongyloides infection in adults

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