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Table 2 Data extraction form

From: Clinical significance of premature ventricular contraction among adult patients: protocol for a scoping review

Author and year
Title of the study
Study aim/research question
 Sample size
 Patients’ characteristics (age, gender)
 Patients with/without cardiovascular disease
Primary/secondary end point
Intervention (if any)
Study design
Setting (ambulatory/outpatient, emergency department, in-hospital)
Data collection/methodology
 ECG data collection procedure (duration, electrode lead placement)
 ECG recordings method (standard 12-lead, EASI leads, Holter, bedside monitor)
 ECG data annotation method (if applicable)
 PVC criteria
Key findings
Conclusion of the study