Table 1

Summary of the animal age groups included in the study and their seroprevalence against PToV
Age No.of sera Positive Prevalence (95%CI)a O.D.492 ± s.d.b
Sows 1388 1382 99.6% (99.0; 99.8) 1.03 ± 0.36
20 weeks 671 664 98.9% (97.8; 99.5) 0.85 ± 0.33
15 weeks 127 127 100.0% (96.5; 100.0) 1.02 ± 0.24
11 weeks 84 81 96.4% (89.6; 99.2) 0.73 ± 0.34
7 weeks 189 161 85.2% (79.4; 89.6) 0.52 ± 0.17
5 weeks 40 37 92.5% (79.4; 98.1) 0.59 ± 0.31
3 weeks 165 98 59.4% (51.8; 66.6) 0.45 ± 0.16
Total 2664 2550 95.7% (95.0; 96.5)

a CI, exact binomial confidence interval. b Mean O.D. 492 values and their corresponding standard deviation.

Alonso-Padilla et al.

Alonso-Padilla et al. BMC Research Notes 2012 5:675   doi:10.1186/1756-0500-5-675

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