23S rRNA	23S ribosomal RNA
ACG	American College of Gastroenterology
AMX	amoxicillin
Bi	bismuth
CENTRAL	Cochrane Central Register of Controlled Trials
CI	confidence interval
CLA	clarithromycin
CLA-R	clarithromycin-resistant
CYP2C19	cytochrome P450 2C19
ESO	esomeprazole
H. pylori	Helicobacter pylori
Hp-EuReg	European Registry on Helicobacter pylori Management
KPZ	keverprazan
LAN	lansoprazole
MeSH	Medical Subject Headings
MIC	minimum inhibitory concentration
MTZ	metronidazole
NR	not reported
OME	omeprazole
P-CAB	potassium-competitive acid blocker
PICO	population, intervention, comparator, and outcome
PPI	proton pump inhibitor
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PROSPERO	International Prospective Register of Systematic Reviews
RAB	rabeprazole
RCT	randomized controlled trial
RoB 2	revised Cochrane risk-of-bias tool for randomized trials
RR	risk ratio
RT-PCR	real-time polymerase chain reaction
TPZ	tegoprazan
VPZ	vonoprazan