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Table 1 Single-Lead (SL) ECG performance and results among intervention patients with practice encounters

From: Screening for undiagnosed atrial fibrillation using a single-lead electrocardiogram at primary care visits: patient uptake and practitioner perspectives from the VITAL-AF trial

 

N

Mean (SD) or %

Intervention Practice Encounters, mean

38,502

2.5 (1.8)

 Invited to undergo SL-ECG screening

34,138

88.7%

 SL-ECG performed

29,952

77.8%

Patients with clinic visit

15,393

 

 Any SL-ECG performed

14,047

91.3%

  ≥ 2 SL-ECG performed

8,061

52.4%

First SL-ECG Screen

  

 Possible AF

363

2.6%

 Unclassified

1,590

11.3%

 No Analysis

316

2.2%

 Normal

11,778

83.8%

Any SL-ECG Screena

 Possible AF

655

4.7%

 Unclassified

2,237

15.9%

 No Analysis

187

1.3%

 Normal

10,968

78.1%

  1. aUses the most abnormal SL-ECG result during the study period