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

BMC Veterinary Research

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

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
Gyeonggi^b	210	72	34.3	38.1	34.7	41.5
Gyeongnam^c	58	16	27.6	30.7	24.6	36.7
Gyeongbuk^d	102	12	11.8	13.1	9.8	16.4
Jeonnam^e	96	8	8.3	9.2	6.3	12.1
Jeonbuk	23	3	13.0	14.4	7.2	21.7
Chungnam^f	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

^aTP = (AP + specificity-1)/(sensitivity + specificity-1) [9–12]. Specificity and sensitivity of the test employed in this study were according to the previous report [13].
^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.

ISSN: 1746-6148