PA	Pseudomonas aeruginosa
C-T	Ceftolozane-tazobactam
MSMC	The HRH Princess Maha Chakri Sirindhorn Medical Center
MIC	The minimal inhibitory concentration
MDR	Multidrug-resistant
XDR	Extremely drug-resistant
PDR	Pan-drug resistant
CRPA	Carbapenem-resistant Pseudomonas aeruginosa
CDC	Center––of Disease Control and Prevention
NARST	National Nosocomial Resistance Surveillance, Thailand
PCR	Polymerase Chain Reaction
SMART	Global Study for Monitoring Antimicrobial Resistance Trends
ST	Sequence type
CIP	Ciprofloxacin
CAZ	Ceftazidime
TZP	Piperacillin-tazobactam
ATM	Aztreonam
MEM	Meropenem
IPM	Imipenem
AMK	Amikacin
GEN	Gentamicin
TOB	Tobramycin
CST	Colistin
S	Susceptible
I	Intermediate
R	Resistance