A systematic review and meta-analysis on the rate of human schistosomiasis reinfection

Abdallah Zacharia, Vivian Mushi and Twilumba Makene

PLOS ONE, 2020, vol. 15, issue 12, 1-17

Abstract: While praziquantel mass drug administration is currently the most widely used method in the control of human schistosomiasis, it does not prevent subsequent reinfection hence persistent transmission. Towards schistosomiasis elimination, understanding the reinfection rate is crucial in planning for the future interventions. However, there is scarcity of information on the global reinfection rate of schistosomiasis. This systematic review and meta-analysis aimed at summarizing studies that estimated the reinfection rate of human schistosomiasis. Three data bases (PubMed, Hinari and Google Scholar) were thoroughly searched to retrieve original research articles presenting data on reinfection rate of human schistosomiasis. Study quality and risk of bias was assessed based on Joanna Briggs Institute critical appraisal checklist. Meta-analysis was conducted using statistical R version 3.6.2 and R Studio using “meta” and “metafor” packages. Random effect model was employed to estimate pooled reinfection rates. Heterogeneity was determined using Cochran’s Q (chi-square)–test and Higgins I2 statistics. A total of 29 studies met inclusion criteria to be included in this review. All studies had at least satisfactory (5–9 scores) quality. The overal mean and pooled reinfection rates of schistosomiasis were 36.1% (±23.3%) and 33.2% (95% CI, 26.5–40.5%) respectively. For intestinal schistosomiasis, the mean and pooled reinfection rates were 43.9% (±20.6%) and 43.4% (95% CI, 35.8–51.4%), and that for urogenital schistosomiasis were 17.6% (±10.8%) and 19.4% (95% CI, 12.3%– 29.2%) respectively. Cochran’s Q (chi-square)–test and Higgins I2 statistic indicated significant heterogeneity across studies (p-values 95%). Results of subgroup analysis showed that, the type of Schistosoma species, participants’ age group, sample size and geographical area had influence on disparity variation in reinfection rate of schistosomiasis (p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0243224

DOI: 10.1371/journal.pone.0243224

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