HCA	Hierarchical cluster analysis
PCA	Principal component analysis
ROR	Reporting odds ratio
SMQ	Standardized MedDRA query
GI	Gastrointestinal
NSAIDs	Nonsteroidal anti-inflammatory drugs
COX	Cyclooxygenase
REAC	Reported adverse events by preferred term
DEMO	Demographic characteristics of the patients such as age, sex, and weight
DRUG	Drug information including name and administration route
OUTC	Outcomes
RPSR	Report sources
INDI	Indication
THER	Therapy details
CI	Confidence interval
PC	Principal component
GERD	Gastroesophageal reflux disease