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Table 1 Basic characteristics of the included studies

From: Effect of catheter ablation combined with left appendage occlusion for non-valvular atrial fibrillation: a meta-analysis

Study/year

Sample size

Gender (male/female)

Age

Country

Follow-up (month)

TEE follow-up (month)

CHADS2

CHA2DS2-VASc

HAS-BLED

MINORS

Swaans 2012 [14]

30

21/9

62.8 ± 8.5

Netherlands

12

6

2.5

3

2

19

Walker 2012 [15]

26

20/6

63.0 ± 7.0

Australia

12

6

1.9

2.6

-

17

Swaans 2013 [16]

10

5/5

61.6 ± 9.6

Netherlands

6

1.5

3

3.5

1.5

13

Alipour 2015 [8]

62

40/22

64.0 ± 8.0

Netherlands

38

2

2.5

3.0

2

17

Calvo 2015 [7]

35

25/10

70.0 ± 7.0

Spain

13

3

2.01

3.1

3.1

16

Romanov 2015 [17]

45

28/17

60.0 ± 5.0

Russia

24

6

-

2.2

3.5

14

Phillips 2016 [9]

98

67/31

65.0 ± 7.0

Austrialia

26.73

12

1.5

2.6

1.9

15

Fassini 2016 [10]

35

28/35

72.0 ± 4.0

Italy

24

12

-

3

3

15

Panikker 2016 [18]

20

13/7

68.0 ± 7.0

United Kindom

12

9

-

3.1

2.5

16

Pelissero 2017 [19]

21

14/7

68.42 ± 10.61

Italy

14.93

14.93

-

2.8

3.2

15

Wintgens 2018 [13]

349

202/147

63.1 ± 8.2

Netherlands/Russia/Australia/Spain

34.5

3

2.0

3.0

3.0

15

Phillips 2018 [20]

139

76/139

64.1 ± 7.3

Australia/Russia/Netherlands/Italy/USA/Malaysia

1

1

2.2

3.4

1.5

17

Du 2018 [21]

82

48/34

66.2 ± 8.4

China

11.2

6

-

4.4

3.5

18

Li 2020 [22]

61

25/36

66.7 ± 9.2

China

24

12

-

4.2

3.4

19

Ren 2020 [23]

76

47/29

67.0 ± 7.5

China

24

12

-

3.4

2.3

16

Mo 2020 [24]

76

39/37

69.9 ± 7.9

China

24

6

-

3.6

3.3

18

Chen 2020 [25]

178

94/84

68.9 ± 8.1

China

12

3

-

3.3

1.6

17

Ren 2020 [26]

42

26/16

70.0 ± 7.6

China

20

12

-

3.8

3.7

17

  1. TEE, transesophageal echocardiography. MINORS, methodological index for non-randomized studies