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Table 1 Summary of included studies and their baseline characteristics. (NR = Not Reported)

From: The safety and efficacy of nonvitamin K antagonist oral anticoagulants in morbidly obese patients with atrial fibrillation: a meta-analysis

Author Name and Study Date

Study Design

Treatment group (number of patients)

Mean Age (SD)

Sex (female)

CHA2D2VASC Score

Mean (SD)

Prior Stroke or Embolization

Heart Failure

Hypertension

Diabetes Mellitus

Briasoulis 2021 [26]

Retrospective study

Apixaban (n = 4471)

69.9

1%

NR

7%

31.1%

84.9%

22%

Dabigatran (n = 3246)

65.7

1%

NR

5%

26.2%

84.5%

29.1%

Rivaroxaban (n = 3299)

66.7

1%

NR

4.5%

27.7%

83.2%

25.9%

Warfarin (n = 10,338)

66.5

1.1%

NR

7.3%

35.8%

86.8%

31.8%

Huang 2021 [30]

Retrospective study

Dabigatran (n = 3226)

66.4 (59.7,72.0)

1128 (35%)

NR

135 (4.2%)

1137 (35.2%)

1241 (38.5%)

1563 (48.5%)

Warfarin (n = 3622)

66.3 (58.9,72.6)

1333 (36.8%)

NR

138 (3.8%)

1482 (40.9%)

3066 (84.6%)

2011 (55.5%)

Peterson 2019 [19]

Retrospective cohort

Rivaroxaban (n = 4543)

61.8 (10.8)

2046 (45.0

NR

NR

1397 (30.8%)

3962 (87.2%)

2168 (47.7%)

Warfarin (n = 4931)

64.4 (10.8)

2326 (47.2)

NR

NR

2218 (45.0%)

4348 (88.2%)

2841 (57.6%)

Navarro-Almenzar 2021 [25]

Retrospective study

Rivaroxaban (N = 54)

71 ± 11

82 (60.7%)

NR

21 (15.6%)

29 (21.5%)

124 (91.6%)

51 (37.8%)

Apixaban (n = 42)

Dabigatran (n = 39)

Edoxaban (n = 0)

Barakat 2021 [28]

Retrospective study

Apixaban (n = 983)

64.9 ± 9.8

902 (51.4)

NR

205 (9.5)

564 (26.0)

1743 (80.3)

935 (43.1)

Rivaroxaban (n = 861)

Dabigatran (n = 322)

Edoxaban (n = 4)

Warfarin (N = 1754)

66.6 ± 10.2

1189 (54.8)

 

142 (8.1)

579 (33.0)

1354 (77.2

864 (49.3)

Kushnir 2019 [21]

Retrospective study

Apixaban (n = 103)

65·9 (10·7)

58 (56%)

3·5 (1·6)

NR

NR

NR

NR

Rivaroxaban (n = 174)

60·9 (12·6)

95 (55%)

3·1 (1·5)

NR

NR

NR

NR

Warfarin (n = 152)

66·8 (13·6)

90 (59%)

4.1 (1·8)

NR

NR

NR

NR

Boriani 2019 [20]

Randomized, double blind, double-dummy study c

Edoxaban (n = 415)

64 ± 8.9269

153

3.3 ± 1.6

NR

NR

NR

NR

 

Warfarin (N = 364)

64 ± 8.9269

90

4.1 ± 1.8

NR

NR

NR

NR

Bodega 2021 [27]

Retrospective study

Dabigatran (n = 7)

59.7 ± 11.6

2

NR

0

5

13

5

Rivaroxaban (n = 4)

Apixaban (n = 4)

Edoxaban (n = 1)

Hohnloser 2019 [22]

Randomized, double blind, double-dummy study

Apixaban and warfarin (N = 982)

61.6498 ± 8.1664

154

NR

96

365

919

449

Kido 2018 [18]

Retrospective study

Dabigatran (N = 20)

64.28 ± 10.16

39 (60.84%)

NR

12

NR

NR

NR

Rivaroxaban (n = 25)

Apixaban (n = 19)

Warfarin (N = 64)

65.88 ± 12.18

35 (54.69%)

NR

10

NR

NR

NR

Sulaiman 2022 [33]

Retrospective cohort study

Apixaban (N = 127)

68.3 ± 10.46

111

NR

15

62

116

94

O’Kane 2022 [32]

Retrospective cohort study

apixaban and rivaroxaban (N = 299)

62 ± 11.9188

188

4 ± 1.4899

42

170

284

201

Wiethorn 2021 [31]

Retrospective matched cohort study

Apixaban (n = 174)

62.6494 ± 9.6812

70

3 ± 1.4894

48

107

245

147

Dabigatran (n = 59)

Rivaroxaban (n = 85)

Coates 2021 [29]

Retrospective study

Dabigatran (n = 7770

62.1 ± 9.9

209

NR

NR

137

524

292

Fudim 2018 [17]

Randomized trial

Apixaban (n = 1035)

72.1555 ± 30.4362

164

1.95 ± 0.93

NR

NR

NR

NR

Martin 2020 [23]

Prospective observational study

apixaban and rivaroxaban (n = 58)

60.6466 ± 26.6078

17

NR

NR

NR

NR

NR

Choi 2017 [16]

Retrospective

Apixaban (n = 181)

61.7

108

NR

NR

NR

NR

NR

Deitelzweig 2020 [24]

Retrospective Observational

Apixaban (n = 21,242)

71.5 ± 9.9

10,215 (48.1%)

3.9 ± 1.7

NR

8068 (38.0%)

20,022 (94.3%)

11,390 (53.6%)

Dabigatran (n = 7171)

69.6 ± 10.0

3138 (43.8%)

3.7 ± 1.7

NR

2487 (34.7%)

6670 (93.0%)

3778 (52.7%)

Rivaroxaban (n = 29,146)

70.0 ± 10.3

13,499 (46.3%)

3.7 ± 1.7

NR

10,246 (35.2%)

27,161 (93.2%)

15,164 (52.0%)

Warfarin (n = 30,902)

72.8 ± 8.8

14,928 (48.3%)

4.3 ± 1.6

NR

14,722 (47.6%)

29,379 (95.1%)

18,984 (61.4%)