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Table 1 Prevalence of Schistosoma japonicum according to different diagnostic methods

From: Field comparison of circulating antibody assays versus circulating antigen assays for the detection of schistosomiasis japonica in endemic areas of China

Village Total Kato-Katz method Immunodiagnostic antibody assay Immunodiagnostic antigen assay  
   Positive (number) Positive (%) [95% CI] IHA ELISA DDIA Average (number) Average (%) [95% CI] ELISA (COM) ELISA (IgY) Average (number) Average (%) [95% CI]
Village A 544 1 0.2 [0.03-0.33] 30 30 29 29.7 5.5 [3.58-7.42] 15 14 14.5 2.7 [1.34-4.06]
Village B 239 1 0.4 [0.08-0.75] 11 11 11 11 4.6 [1.94-7.26] 1 1 1 0.4 [0.08-0.75]
Village C 311 7 2.3 [0.63-4.0] 44 44 44 44 14.1 [10.23-17.97] 18 15 16.5 5.3 [2.81-7.79]
Village D 361 10 2.8 [1.1-4.5] 87 87 81 85 23.5 [19.13-27.87] 34 30 32 8.9 [5.96-11.84]
Village E 409 9 2.2 [0.78-3.62] 68 68 66 67.3 16.5 [12.90-20.10] 19 21 20 4.9 [2.81-6.99]
Total 1864 28 1.5 [0.95-2.05] 240 240 231 237 12.7 [11.19-14.21] 87 81 84 4.5 [3.56-5.44]