Smoking
|
22.5 (12.9)
|
40 (15.2)
|
50 (15.5)
|
47.5 (15.5)
|
7.7
|
0.052
|
Hypertension
|
20 (12.4)
|
32.5 (14.5)
|
27.5 (13.8)
|
75 (13.4)
|
30.9
|
<0.01
|
Cholesterol
|
10 (9.3)
|
12.5 (10.2)
|
7.5 (8.2)
|
40 (15.2)
|
19.0
|
<0.01
|
AF
|
7.5 (8.2)
|
0 (0)
|
0 (0)
|
2.5 (4.8)
|
6.1
|
0.1
|
Diabetes
|
5 (6.7)
|
2.5 (4.8)
|
0 (0)
|
7.5 (8.2)
|
3.5
|
0.32
|
Old age
|
0 (0)
|
2.5 (4.8)
|
0 (0)
|
7.5 (8.2)
|
6.1
|
0.1
|
Ischaemic heart disease/CVD
|
0 (0)
|
10 (9.3)
|
15 (11.1)
|
7.5 (8.2)
|
6.3
|
0.1
|
Stress | 17.5 (11.8) | 20 (12.4) | 35 (14.8) | 5 (6.7) | | |
Poor diet | 17.5 (11.8) | 30 (14.2) | 27.5 (13.8) | 15 (11.1) | | |
Overexertion | 10 (9.3) | 0 (0) | 12.5 (10.2) | 0 (0) | | |
Thick blood | 7.5 (8.2) | 7.5 (8.2) | 2.5 (4.8) | 0 (0) | | |
Family history | 5 (6.7) | 10 (9.3) | 7.5 (8.2) | 17.5 (11.8) | | |
Overweight | 5 (6.7) | 22.5 (12.9) | 32.5 (14.5) | 20 (12.4) | | |
Alcohol excess | 5 (6.7) | 20 (12.4) | 10 (9.3) | 0 (0) | | |
Fast heart rate | 5 (6.7) | 0 (0) | 0 (0) | 0 (0) | | |
Inactivity | 2.5 (4.8) | 5 (6.7) | 12.5 (10.2) | 5 (6.7) | | |
Heart valve disease | 2.5 (4.8) | 0 (0) | 0 (0) | 0 (0) | | |