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Table 1 Study population baseline characteristics

From: Which method of left atrium size quantification is the most accurate to recognize thromboembolic risk in patients with non-valvular atrial fibrillation?

Baseline characteristics (n = 500)

Demographics

Medication previous to TEE

Age (years)

69 ± 10

Oral Anticoagulation

40.6% (203)

Age ≥ 75 years

31% (155)

Antiplatelet agents

46.4% (232)

Age 65–74 years

39.8% (199)

1-3 doses of enoxaparine

33.8% (169)

Body Mass Index (Kg/m2)

26.6 ± 8.8

Echocardiographic characterization

Female gender

34.2% (171)

LA AP diameter (cm)

4.7 ± 0.7

Clinical data

LA area (cm2)

27.6 ± 7.1

Hypertension

81.8% (409)

LA ellipsoid volume (cm3)

74.1 ± 29.0

Diabetes

23.6% (118)

LA 1P area-length volume (cm3)

113.8 ± 47.7

Previous Stroke/TIA

14.8% (74)

LA 2P area-length volume (cm3)

104.1 ± 38.1

Congestive heart failure

54.8% (274)

LV ejection fraction ≥55%

73.6% (368)

Vascular diseasea

52% (260)

LAA thrombus

11.1% (55)

CHADS2

1.9 ± 1.2

LAA low flow velocities

13.2% (66)

CHA2DS2-VASc

3.2 ± 1.7

Dense SEC

24% (120)

Pacemaker or ICD

19.6% (98)

LA ABN

29.6% (148)

Estimated current AF episode duration

Laboratorial evaluation

≤ 48 hours

7% (35)

Haemoglobin (g/dL)

13.2 ± 1.8

< 1 week

19.6% (98)

Platelets (103/μL)

219.7 ± 85.5

< 1 month

36% (180)

INR

1.5 ± 0.8

> 6 months

35.8% (179)

INR ≥ 2.0

20.8% (104)

> 1 year

26.8% (134)

GFR (mL/min/1.73 m2)

62.4 ± 33.0

  1. Legend: GFR – glomerular filtration rate; ICD - implantable cardioverter defibrillator; INR – international normalized ratio; LV – left ventricle; TIA – transient ischaemic attack.
  2. aVascular disease is defined as having at least one of the following: myocardial infarctions, peripheral artery disease, and complex aortic plaque.