AMR	antimicrobial resistance
AMC	amoxicillin–clavulanic acid
AMK	amikacin
AMX	amoxicillin
AST	antimicrobial susceptibility testing
BSI	bloodstream infections
CAZ	ceftazidime
CDC	Centers for Disease Control and Prevention
CIP	ciprofloxacin
CTX	cefotaxime
COL	colistin
EUCAST	European Committee on Antimicrobial Susceptibility Testing
ESBLs	extended-spectrum β-lactamases
ETP	ertapenem
FEP	cefepime
FOS	fosfomycin
FOX	cefoxitin
GEN	gentamicin
GNBs	Gram-negative bacteria
IAI	intra-abdominal infections
IMP	imipenem
IQC	internal quality control
LART	L’AntibioRésistance en Tunisie
MEM	meropenem
MDR	multidrug-resistant
NAL	nalidixic acid
PIP	piperacillin
RTIs	respiratory tract infections
SXT	trimethoprim–sulfamethoxazole
TIC	ticarcillin
TIM	ticarcillin–clavulanic acid
TZP	piperacillin-tazobactam
UTIs	urinary tract infections
3GCs	3rd-generation cephalosporins