Table 2 Characteristics of the development and test sets.

From: Tackling inter-subject variability in smartwatch data using factorization models

Characteristic

 

Train subjects

Test subjects

Total

 

50

30

Age, years

18–39

17

9

40–54

10

5

55–64

9

4

> 65

14

12

Diagnosis

Reference

26

16

Heart failure

8

5

Persistent atrial fibrillation

3

2

Permanent atrial fibrillation

4

1

Paroxysmal atrial fibrillation

9

6

Sex

Male

27

16

Female

23

14

Diabetes

18.5–24.9

20

15

25–29.9

16

9

> 30

14

6

Diabetes

Yes

19

5

No

41

25

Smoking

Yes

13

4

No

37

26

Hypertension

Yes

17

9

No

33

21

Device

Charge 5

32

19

Inspire 2

18

11