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Table 1 Seroprevalence and 95% confidence interval for Lawsonia intracellularis in wild boars in the Republic of Korea from 2010 to 2011

From: Seroprevalence of porcine proliferative enteropathy among wild boars in the Republic of Korea

Locality No. of tested animals No. of positive animals Apparent prevalence (AP) True prevalence (TP)a Lower 95% confidence limit of TP Upper 95% confidence limit of TP
Gangwon 128 36 28.1 31.2 27.1 35.3
Gyeonggib 210 72 34.3 38.1 34.7 41.5
Gyeongnamc 58 16 27.6 30.7 24.6 36.7
Gyeongbukd 102 12 11.8 13.1 9.8 16.4
Jeonname 96 8 8.3 9.2 6.3 12.1
Jeonbuk 23 3 13.0 14.4 7.2 21.7
Chungnamf 32 6 18.8 20.9 13.8 28.0
Chungbuk 67 12 17.9 19.9 15.1 24.7
Total 716 165 23.0 25.6 23.9 27.2
  1. aTP = (AP + specificity-1)/(sensitivity + specificity-1) [912]. Specificity and sensitivity of the test employed in this study were according to the previous report [13].
  2. bSeoul Metropolis and Incheon Metropolitan City included; cUlsan and Busan Metropolitan Cities included; dDaegu Metropolitan City included; eGwangju Metropolitan City included; fDaejeon Metropolitan City included.