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Table 2 Univariate analysis and multivariable analysis of thrombus formation risk in patients with AF

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

Variables

Univariate regression OR (95% CI)

p Value

Multivariable regression OR (95% CI)

p value

Male

1.190 (0.681–2.077)

0.541

0.916 (0.502–1.670)

0.775

Age

1.015 (0.989–1.042)

0.253

1.021 (0.993–1.048)

0.139

BMI ≥ 24 kg/m2

2.137 (1.005–4.544)

0.049*

2.051 (0.952–4.420)

0.067

Time to AF diagnosis

    

≥ 2 years

1.518 (0.881–2.616)

0.133

–

–

Persistent AF

3.278 (1.890–5.685)

< 0.001*

3.152 (1.806–5.500)

< 0.001*

Coronary heart disease

0.654 (0.307–1.392)

0.270

–

–

Hyperlipidemia

0.633 (0.269–1.490)

0.296

–

–

LAD ≥ 40 mm

1.410 (0.829–2.398)

0.205

–

–

High risk in CHA2DS2-VASc score†

1.209 (0.710–2.057)

0.485

  

Congestive heart failure

1.825 (0.710–4.687)

0.212

–

–

Hypertension

1.018 (0.602–1.721)

0.946

–

–

Diabetes mellitus

1.686 (0.896–3.172)

0.105

–

–

Stroke/TIA

0.605 (0.187–1.958)

0.402

–

–

Liver dysfunction

0.222 (0.031–1.619)

0.138

–

–

Renal dysfunction

1.946 (1.090–3.473)

0.024*

1.778 (0.969–3.262)

0.063

Smoking

1.357 (0.790–2.329)

0.269

–

–

Drinking

1.124 (0.638–1.980)

0.687

–

–

  1. CI confidence interval, OR odds ratio, BMI body mass index, LAD left atrial diameter, TIA transient ischemic attack
  2. *p value < 0.05. †High risk is defined as ≥ 1 point in male or ≥ 2 points in female patients