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Table 1 Clinical, ECG and Echocardiographic characteristics of stroke patients without AF history at stroke onset and patients with history of AF prior to stroke

From: Electrocardiographic and Echocardiographic predictors of paroxysmal atrial fibrillation detected after ischemic stroke

Variables

Patients without AF history, n = 110

Patients with PxAF, n = 55

P value

Mean age, yearsa

67 ± 10

68 ± 10

0.686

Female, n (%)

40 (36)

19 (35)

0.864

BMIa

29 ± 5

29 ± 5

0.790

P-wave duration, msa

137 ± 16

145 ± 17

0.003

Patients with P-wave duration > 120 ms, n (%)

90 (82)

47 (85)

0.387

PR-interval, msa

172 ± 28

178 ± 35

0.189

P-wave terminal force in lead V1, mm x msa

24 ± 26

35 ± 33

0.020

QRS duration, msa

100 ± 17

107 ± 21

0.021

Corrected QTc interval, msa

430 ± 28

454 ± 34

<0.001

P-wave morphology

  

0.435

X(+)Y(+)Z(-), n (%)

19 (19)

8 (16)

 

X(+)Y(+)Z(-/+), n (%)

60 (59)

32 (64)

 

IAB or X(+)Y(+/-), n (%)

2 (2)

3 (6)

 

X(+)Y(+)Z(+), n (%)

21 (21)

7 (14)

 

Left atrium volume index, ml/m2

35 ± 12

45 ± 12

<0.001

EF, %a

58 ± 12

52 ± 15

0.027

Left ventricular end-systolic internal demension, mma

33 ± 9

37 ± 10

0.033

Left ventricular end-diastolic internal demension, mma

49 ± 7

52 ± 8

0.049

Right atrium pressure, mmHga

6 ± 2

8 ± 5

0.007

Right ventricular systolic pressure, mmHga

34 ± 10

36 ± 12

0.242

Diabetes, n (%)

18 (16)

12 (22)

0.399

Hypertension, n (%)

84 (76)

41 (75)

0.848

Vascular diseases, n (%)

21 (19)

20 (36)

0.021

Cardiac failure, n (%)

6 (6)

16 (29)

<0.001

CHADS2 scorea

3.2 ± 0.9

3.5 ± 1.0

0.034

CHA2DS2-VASc scorea

4.9 ± 1.5

4.9 ± 1.5

0.028

  1. a - the results are cited as mean value ± standard deviation