Table 1 Summary characteristics of studies included in the meta-analysis
Author and year | Study area/region | Study period | Sample size | Test used | Prevalence of syphilis | Quality assessment |
|---|---|---|---|---|---|---|
Mulu et al., 2007 [26] | Gondar/Amhara | March to June, 2005 | 480 | RPR | 1% | High quality |
Abate Assefa, 2014 [19] | Gondar/Amhara | January 2009 to December 2011 | 2385 | TPHA | 2.9% | High quality |
Endris et al., 2015 [21] | Gondar/Amhara | February to June 2011 | 385 | TPHA | 2.9% | High quality |
Melku et al., 2015 [22] | Gondar/Amhara | March to May 2012 | 300 | TPHA | 3.7% | High quality |
Schonfeld et al., 2017 [27] | Assela/Oromia | May 2014 to September 2015 | 580 | SRIA* | 2.2% | High quality |
Ageru et al., 2018 [28] | Wolaita Sodo/SNNP | 30 June 2012 to 30, June 2016 | 4022 | VDRL | 3.7% | High quality |
Amsalu et al., 2018 [25] | Yirgalem/SNNP | October 2015 to August 2016 | 494 | TPHA | 5.1% | High quality |
Zinabie et al., 2018 [29] | Debre Berhan/Amhara | September 2015 to August 2017 | 385 | VDRL | 1.8% | High quality |
Asfaw et al., 2019 [31] | Jimma/Oromia | January to June, 2016 | 181 | TPHA | 1.1% | High quality |
Biadgo et al., 2019 [20] | Gondar/Amhara | January 2011 to April 2015 | 3504 | TPHA | 1.9% | High quality |
Mekonnen et al., 2019 [30] | Shashemene/Oromia | January 2014 to December 2016 | 4346 | RPR | 1.1% | High quality |
Tareke et al., 2019 [23] | Bahir Dar/Amhara | November 2013 to June 2014 | 384 | ICS test | 2.6% | High quality |
Yitbarek et al., 2019 [24] | Sede Muja District/Amhara | November 2018 to January 2019 | 210 | VDRL | 1.9% | High quality |