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. 2021 Nov 19;5(2):e27016. doi: 10.2196/27016

Table 2.

Comparison of key patient characteristics (N=37).

Characteristics Frequency, n (%)
Age (years)

>75 17 (46)

65-74 14 (38)

<65 6 (16)
Sex

Female 11 (30)

Male 26 (70)
Race

Non-White 1 (3)

White 36 (97)
Ethnicity

Hispanic 1 (3)

Non-Hispanic 36 (97)
Individual predictors of CHA2DS2-VASc scorea

Congestive heart failure 14 (38)

Hypertension 33 (89)

Diabetes 7 (19)

Stroke or transient ischemic attack 5 (14)

Vascular disease 14 (38)
CHA2DS2-VASc score

2 9 (24)

3 10 (27)

4 9 (24)

5 6 (16)

6 2 (5)

7 0 (0)

8 0 (0)

9 1 (3)
Reason for not being on anticoagulation before index appointment with cardiology providerb

Low AFc burden 16 (43)

Refused 10 (27)

Not listed 5 (14)

Fall risk 1 (3)

Gastrointestinal bleeding 2 (5)

Other bleeding 3 (8)
Years since AF onset

1-5 15 (41)

5-10 12 (32)

>10 10 (27)
Had another AF episode in the past year

Yes 26 (70)

aThe CHA2DS2−VASc score assigns 1 point for congestive heart failure, hypertension, age 65-74 years, diabetes mellitus, vascular disease history, such as myocardial infarction, and female sex and 2 points for age >75 years, previous stroke, or transient ischemic attack.

bIndex appointment is the encounter in which we used the AFib 2gether app.

cAF: atrial fibrillation.