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Table 1 Number of excluded participants according to different exclusion criteria, ARIC study, 1996-1998

From: Birth weight and the risk of atrial fibrillation in whites and African Americans: the Atherosclerosis Risk In Communities (ARIC) study

Exclusion criteria

Individuals excluded

Participants

Initial cohort in 1987-89

 

15,792

Attended visit 4 (1996–98)

4,136

11,656

Prevalent AF at visit 4

298

11,358

Low or bad quality ECGs at baseline

175

11,183

Race other than white or African American

67

11,116

Missing Covariates

151

10,965

Twin gestation or premature infant

490

10,475

Missing BW

343

10,132