Table 6 One-factor logistic regression analyses on MAT outcome. Stratified by reason for sampling
From: Passive surveillance of Leptospira infection in swine in Germany
Effect | number | Positives % | ORa | CI b | pc | |
|---|---|---|---|---|---|---|
lower | upper | |||||
Reason: monitoring | ||||||
2011 (ref) | 392 | 9.2 | 1 | – | – | – |
2012 | 400 | 20.5 | 2.450 | 1.386 | 4.331 | 0.0022 |
2013 | 338 | 15.1 | 1.623 | 0.876 | 3.007 | 0.1231 |
2014 | 298 | 15.8 | 1.538 | 0.818 | 2.895 | 0.1806 |
2015 | 300 | 23.7 | 2.768 | 1.496 | 5.123 | 0.0013 |
2016 / 01 to 09 | 85 | 23.5 | 2.840 | 1.161 | 6.948 | 0.0224 |
Reason: reproductive problems | ||||||
2011 (ref) | 2514 | 18.0 | 1 | – | – | – |
2012 | 2422 | 18.3 | 1.051 | 0.863 | 1.280 | 0.6223 |
2013 | 2249 | 20.5 | 1.071 | 0.874 | 1.312 | 0.5075 |
2014 | 2087 | 23.8 | 1.326 | 1.081 | 1.627 | 0.0068 |
2015 | 1582 | 27.6 | 1.679 | 1.355 | 2.080 | <.0001 |
2016 / 01 to 09 | 1163 | 32.0 | 2.301 | 1.822 | 2.906 | <.0001 |
Reason: unknown | ||||||
2011 (ref) | 3002 | 15.9 | 1 | – | – | – |
2012 | 2650 | 19.6 | 1.284 | 1.055 | 1.562 | 0.0127 |
2013 | 2981 | 18.9 | 1.131 | 0.928 | 1.377 | 0.2233 |
2014 | 2721 | 16.5 | 1.076 | 0.878 | 1.319 | 0.4813 |
2015 | 2851 | 17.6 | 1.603 | 1.296 | 1.983 | <.0001 |
2016 / 01 to 09 | 1794 | 30.6 | 2.585 | 2.078 | 3.215 | <.0001 |