AF	Atrial fibrillation
AFL	Atrial flutter
BDIB	Bidirectional isthmus block
CF	Contact force
CHA2DS-VASc	Congestive heart failure, hypertension, age > 75, diabetes mellitus, and prior stroke or transient ischemic attack [10]
CI	Confidence interval, the lower and upper limits of significance
CTI	Cavo-tricuspid isthmus
CTIA	Cavo-tricuspid isthmus ablation
DM	Diabetes mellitus
ECG	Electrocardiogram
EPS	Electrophysiology study
HF	Heart failure
HTN	Hypertension
ICH	Intracranial hemorrhage
ID	Identification
IHD	Ischemic heart disease
LSI	Lesion size index
LVEF	Left ventricular ejection fraction
MD	Mean difference
N	Number
N/A	Not available
NOS	Newcastle–Ottawa Scale [23]
OR	Odds ratio
OS	Observation study
p	Probability
PICO	Population intervention control outcome
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses [8]
PV	Pulmonary vein
QUADAS	Quality Assessment of Diagnostic Accuracy Studies [22]
RCT	Randomized controlled trial
RF	Radiofrequency
RoB	Risk of bias
RoB 2	Risk of bias 2 [11]
ROBINS-1	Risk Of Bias In Non-randomized Studies—of Interventions [12]
SD	Standard deviation
SP	Steam pop
TIA	Transient ischemic attack
WOS	Web of Science