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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

Population

 Country

 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

Comments