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Table 1 Positivity rate and distribution of fluorescent antibody responses of sera according to area

From: Detection of an antibody against Plasmodium vivax in residents of Gimpo-si, South Korea, using an indirect fluorescent antibody test

Village No. of Sera Tested No. of Positive Sera aIFAT serum dilution endpoint Positivity rate (%) bAPI
    < 1:32 ≥ 1:32 1:64 1:128 1:256 1:512 1:1024 1:2048   
Gochon-eup 422 8 414 3 4 1 0 0 0 0 1.90 0.34
Gimpo-dongs 1095 10 1085 7 1 1 1 0 0 0 0.91 0.14
Yangchon-myeon 274 9 265 8 0 1 0 0 0 0 3.28 1.23
Daegot-myeon 830 19 811 12 5 1 0 1 0 0 2.29 0.52
Tongjin-myeon 1034 25 1019 9 12 2 0 2 0 0 2.42 0.71
Wolgot-myeon 1109 29 1080 10 9 3 3 2 1 1 2.61 2.90
Haseong-myeon 1033 25 1008 14 6 4 0 1 0 0 2.42 2.15
Total 5797 125 5672 63 37 13 4 6 1 1 2.16 0.68
  1. Note.aIFAT; Indirect fluorescent antibody test
  2. bAPI; Annual parasite index from 1999
  3. * Significant between API and IFAT positive rate was analysed by Two-way ANOVA (P < 0.05)