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Table 2 Characteristics of the eligible studies with ELISA and the Kato-Katz method

From: The ratio of the seroprevalence to the egg-positive prevalence of Schistosoma japonicum in China: a meta-analysis

Author, year Period of study Location Endemic level Type of endemic area Type of ELISA Fecal slides per stool Study group No. of seropositive with ELISA No. total examined with ELISA No. of fecal positive No. total examined with Kato-Katz Prevalence ratio
Wu,1992 [51] 1990–1991 Gaojiao village in Duchang County, Jiangxi high (prevalence rate: 64.4% before treatment; 54.5% after treatment) MLa McAb-Dot -ELISA 2 before treatment 55 125 33 125 1.67
after treatment 21 125 3 125 7.00
Huang,1994[45] 1990–1991 Lianshi,Xingou,Yangjiayuan,third and fifth group of Zhaonao villages in Qianjiang City, Hubei low (Lianshi: <5%)
middle (Xingou: 10%)
high (Yangjiayuan and Zhaonao: 30%)
ML Dot-ELISA 3 Lianshi 3 68 8 68 0.38
Xingou 15 79 23 79 0.65
Yangjiayuan 18 85 24 85 0.75
Zhaonao III 24 68 24 68 1.00
Zhaonao IV 46 109 15 109 3.07
Song,2003 [46] 2002 Tanzhu village in Gaozi Town, Jiangsu low ML SEA-ELISA 3   85 463 9 463 9.44
Bao,2006 [37] 2005 Xitan, Tangnan, Hongtang, Pudong four villages in Nanling County, Anhui high (Xitan, Tangnan: TypeIvillage)
middle (Hongtang, Pudong: Type IIvillage)
PWb SEA-ELISA 2 GradeItype village 70 324 54 693 2.77
GradeIItype village 71 303 13 620 11.18
He,2007   Shujie village in Weishan County,Yunnan high HMc SEA-ELISA 3   423 508 120 508 3.53
Chen,2007 2005 Three villages in Eryuan County,Yunnan low, middle and high endemic village respectively HM SEA-ELISA 4 low epidemic 22 107 2 107 11.00
middle endemic 67 128 7 128 9.57
high epidemic 67 116 6 116 11.17
Xu,2007 2005 Lianhu village in Poyang County,Chaipeng vliiage in Duchang County,Fuyu village in Yugan County, Jiangxi high (Lianhu: 12.0%)
middle (Chaipeng: 6.2%; Fuyu: 8.0%)
ML F-ELISA 3 Lianhu 446 873 83 961 5.92
Chaipeng 130 243 25 401 8.58
Fuyu 183 443 32 502 6.48
Zhou,2007   Village A in Jiangxi; Village B in Anhui high (Village A: >10%)
low (Village B: <5%)
  SEA-ELISA 3 Village A 682 1024 130 1024 5.25
Village B 503 787 36 787 13.97
He,2008 2004 Linye village in Anqing City, Anhui middle ML SEA-ELISA 3 Linye 27 216 2 216 13.50
Lin,2010   Caohui village in Xinjian County,Jingtou vliiage in Duchang County,Xinhua village in Xingzi County, Jiangxi   ML SEA-ELISA 3 Caohui,M3 504 883 55 883 9.16
Jingtou,M3 358 927 73 927 4.90
Xinhua,M3 355 922 40 922 8.88
Yu,2011   Village A in Jiangxi    SEA-ELISA 3   80 333 13 333 6.15
She,2015 2012 Dahekou village in Donggou Town, Jiangsu low (reach transmission control status in 2009) ML SEA-ELISA 3   19 583 2 583 9.50
  1. aMarshlands and lakes region
  2. bPlains with water networks
  3. cHilly and mountainous region