A systematic review of taeniasis, cysticercosis and trichinellosis in Vietnam

Ng-Nguyen, Dinh; Stevenson, Mark A.; Traub, Rebecca J.

doi:10.1186/s13071-017-2085-9

Parasites & Vectors

Table 1 Research on human taeniasis and estimated true prevalence in Vietnam

From: A systematic review of taeniasis, cysticercosis and trichinellosis in Vietnam

Author	Research period	Research location	Regional location	Diagnosis technique	Sample size (no. of people)	Apparent prevalence (%) [95% CI]^a	Prior information			True prevalence (%) [95% CrI]^b
Author	Research period	Research location	Regional location	Diagnosis technique	Sample size (no. of people)	Apparent prevalence (%) [95% CI]^a	Referred diagnosis technique	Sensitivity (%) [95% CI]	Specificity (%) [95% CI]	True prevalence (%) [95% CrI]^b
Verle et al. [71]	1999	Hoa Binh	North	Formalin-Ether Concentration	2522	0.11 [0.04–0.34]	Microscopy-based^c	52.5 [11.1–96.5]	99.9 [99.5–100]	0.29 [0.00–5.38]
Doanh et al. [32]	1999–2001	Bac Ninh	North	Faecal examination	597	7.20 [5.39–9.56]	Microscopy-based^c	52.5 [11.1–96.5]	99.9 [99.5–100]	9.92 [5.06–19.29]
Somers et al. [45]	2003 - 2004	Bac Kan, Hai Duong, Ha Tinh	North, North Central	copro-antigen ELISA	606	0.66 [0.25–1.68]	Copro-antigen ELISA^d	84.5 [61.9–98]	92.0 [90–93.8]	0.25 [0.01–0.21]
Chuong [37]	na	Binh Thuan, Ninh Thuan, Khanh Hoa, Phu Yen, Binh Dinh, Quang Ngai, Quang Nam, Da Nang, Thua Thien Hue, Quang Tri, Quang Binh, Gia Lai, Kon Tum, Dak Lak	Central, Central highland	Faecal examination	35,651	0.33 [0.27–0.39]	Microscopy-based^c	52.5 [11.1–96.5]	99.9 [99.5–100]	0.52 [0.03–6.41]
NIMPE [33]	2006	Phu Tho, Vinh Long, Hung Yen, Cao Bang, Ha Tay, Lang Son, Tuyen Quang, Da Nang, Lao Cai, Thanh Hoa, Vinh Phuc, Quang Ngai	North, Central, South	Faecal examination	9547	0.96 [0.78–1.18]				1.49 [0.14–10.79]
Huong [35] (2006)	2006	Ha Giang	North	Kato	84	6.00 [2.56–13.18]				8.43 [2.70–19.53]
Phuong et al. [36]	2008–2010	Thai Binh	North	Faecal examination	6570	0.17 [0.09–0.29]				0.33 [0.17–5.07]
Chuong et al. [39]	2009	Kon Tum	Central Highlands	Kato-Katz	1797	8.18 [7.00–9.53]				11.08 [6.59–20.68]
Vien et al. [34]	2009–2010	Phu Tho	North	Kato-Katz	775	8.65 [6.86–10.83]				11.67 [6.96–20.85]
Van Tuan et al. [38]	2013	Kon Tum	Central Highlands	Kato-Katz	731	10.40 [8.38–12.82]				13.46 [8.42–21.44]

Abbreviation: na not applicable, NIMPE National Institute Of Malariology Parasitology and Entomology
^aConfidence interval
^bCredible interval
^cSensitivity and specificity of microscopy-based technique based on Praet et al [72]
^dSensitivity and specificity of copro-antigen ELISA based on Praet et al. [72]

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