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Table 4 Tetracycline resistance

From: Phenotypic antimicrobial resistance in Escherichia coli strains isolated from swine husbandries in North Western Germany – temporal patterns in samples from laboratory practice from 2006 to 2017

 Resistant isolatesSusceptible isolatesOne-factorial log. Reg.Multi-factorial log. Reg.
n%n%ORpORp
Time period2006–2011 (Ref.)149282.9830617.0211
2012–201788270.936229.100.5< 0.00010.50.0002
Age-groupSow (Ref.)2565.791334.2111
Piglet9769.784230.221.200.6371.000.999
Nursery55776.7216923.281.710.1271.360.637
Fattening326418360.930.8620.730.644
Sampling siteGIT (Ref.)196779.8649620.1411
GUT22667.6610832.340.53< 0.00010.840.874
others18173.886426.120.710.0280.960.796