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Table 3 Cardiovascular risk profile of patients with or without white matter hyperintensities (WMH) according to brain MRI

From: MRI-detected brain lesions in AF patients without further stroke risk factors undergoing ablation - a retrospective analysis of prospective studies

 

WMH*

 

No

(n = 94)

Yes

(n = 81)

p-value**

≥1 stroke risk factor***

No

29 (30.9)

19 (23.5)

0.310

Yes

65 (69.1)

62 (76.5)

Age; median (IQR)

58 (52–64)

64 (57–69)

< 0.001

Female sex; n (%)

29 (30.9)

27 (33.3)

0.747

Congestive heart failure; n (%)

6 (6.4)

6 (7.4)

> 0.999

Arterial hypertension; n (%)

53 (56.4)

47 (58.0)

0.879

Diabetes mellitus; n (%)

8 (8.5)

9 (11.1)

0.615

Peripheral artery occlusive disease; n (%)

2 (2.1)

2 (2.5)

> 0.999

Coronary artery occlusive disease; n (%)

15 (16.0)

18 (22.2)

0.335

Hyperlipoproteinemia; n (%)

43 (45.7)

44 (54.3)

0.290

Paroxysmal AF; n (%)

57 (60.6)

61 (75.3)

0.052

Dilated left atrium according to echocardiography; n (%)

39 (43.8)

36 (47.4)

0.754

Left ventricular ejection fraction < 50%; n (%)

5 (5.4)

6 (7.6)

0.756

  1. * WMH were determined according to Fazekas score. ** p-value calculated by chi 2 -test or Mann-Whitney U test, as appropriate. *** According to CHA 2 DS 2 -VASc-score (“No” equals 0 in men and 1 in women, “Yes” equals ≥ 1 in men and ≥ 2 in women)