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Table1 Baseline clinical characteristics of the patients studied

From: The risk factors of thrombus formation and the effect of catheter ablation on repetitive thrombus formation in patients with atrial fibrillation: a single center retrospective study in China

Characteristics

Patients with atrial thrombus (n = 58)

Patients without atrial thrombus (n = 1668)

p value

Male, n (%)

39 (67.2)

1056 (63.3)

0.541

Age, years ± SD

61.5 ± 9.7

59.9 ± 10.5

 

BMI, kg/m2

  

0.044*

 ≥ 24, n (%)

50 (86.2)*

1243 (74.5)*

 

 < 24, n (%)

8 (13.8)*

425 (25.5)*

 

Time to AF diagnosis

  

0.130

 ≥ 2 years, n (%)

37 (63.8)

896 (53.7)

 

 < 2 years, n (%)

21 (36.2)

772 (46.3)

 

AF type

  

< 0.001*

 Paroxysmal AF, n (%)

20 (34.5)*

1056 (63.3)*

 

 Persistent AF, n (%)

38 (65.5)*

612 (36.7)*

 

Cancer, n (%)

0 (0)

11 (0.7)

0.940

Coronary heart disease, n (%)

8 (13.8)

328 (19.7)

0.267

Hyperlipidemia, n (%)

6 (10.3)

257 (15.4)

0.315

LAD, mm

  

0.203

 ≥ 40, n (%)

34 (58.6)

836 (50.1)

 

 < 40, n (%)

24 (41.4)

832 (49.9)

 

CHA2DS2-VASc score†

  

0.485

 Low risk, n (%)

34 (58.6)

1053 (63.1)

 

 High risk, n (%)

24 (41.4)

615 (36.9)

 

Congestive heart failure, n (%)

5 (8.6)

82 (4.9)

0.336

Hypertension, n (%)

27 (46.6)

769 (46.1)

0.946

Diabetes mellitus, n (%)

13 (22.4)

244 (14.6)

0.102

Stroke/TIA, n (%)

3 (5.2)

138 (8.3)

0.546

Vascular disease, n (%)

0 (0)

5 (0.3)

0.594

Hemorrhage, n (%)

0 (0)

9 (0.5)

0.845

Liver dysfunction, n (%)

1 (1.7)

122 (7.3)

0.172

Renal dysfunction, n (%)

17 (29.3)*

293 (17.6)*

0.022*

Anticoagulation, n (%)

0 (0)*

151 (9.0)*

0.046*

 Warfarin

0 (0)

54 (3.2)

 

 DOAC

0 (0)

97 (5.8)

 

Smoking, n (%)

22 (37.9)

518 (31.1)

0.267

Drinking, n (%)

18 (31.0)

477 (28.6)

0.687

  1. BMI body mass index, LAD left atrial diameter, TIA transient ischemic attack
  2. *p value < 0.05
  3. †Low risk is defined as < 1 point in male and < 2 points in female patients. High risk is defined as ≥ 1 point in male or ≥ 2 points in female patients