Table 1.

Main reasons for exclusion of studies after full‐text evaluation affecting more than one study (a study could be excluded for more than one reason)

Reason	Code in Appendix B	Number of studies
Fewer than the minimum number of isolates are included in the study	8	5
Study does not follow a standard for antimicrobial susceptibility testing or a standard is not reported	4	4
Inclusion of non‐clinical isolates that cannot be distinguished from clinical isolates	5	2
All isolates in a study originate from the same farm	15	2
AMR data from several bacterial species mixed together	17( a )	2
AMR data reported at bacterial genus level or above	3	1
MIC data reported without interpretation into susceptible/resistant	12	1

^(a)Specified in column E, Appendix B.