Table 1.

Table of the distribution of the different AmpC promoter and attenuator variants, as well as the numbers of different MLST STs and phylogroups per grouped genotype (pampC, putative hyperproducers and putative low-level AmpC producers)

Genotype	Isolate	Promoter variant	Attenuator variant	MLST	Phylogroup
pampC	n=90	3 variants	6 variants	44 STs and 4 unknown
Putative hyperproducers	n=61	13 variants	14 variants	30 STs and 5 unknown
Putative low-level AmpC producers	n=21	8 variants	5 variants	14 STs and 4 unknown
Total	n=172	21 variants	18 variants	75 STs and 13 unknown