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Table 1 Baseline cohort characteristics

From: Thromboembolic events, bleeding, and drug discontinuation in patients with atrial fibrillation on anticoagulation: a prospective hospital-based registry

Characteristic

Full cohort (N = 282)

VKA (N = 118)

Dabigatran (N = 33)

Rivaroxaban (N = 87)

Apixaban (N = 30)

    

p*

 

p*

 

p*

Age

71 (65–77)

73 (67–79)

73 (68–77)

0.8

71 (66–75)

0.1

71 (64–75)

0.04

Female sex

116 (43.1)

47 (41.6)

11 (34.4)

0.5

30 (37.0)

0.5

22 (75.9)

0.001

BMI

27.0 (24.5–30.4)

27.3 (24.9–31.2)

27.3 (25.0–31.0)

0.7

27.0 (24.0–31.1)

0.5

26.9 (22.2–28.3)

0.09

Type of AF

 Recently diagnosed

52 (18.4)

10 (8.5)

8 (24.2)

0.04

16 (18.4)

0.2

13 (43.3)

<0.001

 paroxysmal

131 (46.5)

60 (50.8)

10 (30.3)

0.05

42 (49.4)

0.8

12 (40.0)

0.3

 persisting

19 (6.7)

9 (7.6)

1 (3.0)

0.4

7 (8.6)

0.7

1 (3.3)

0.5

 permanent

80 (28.4)

39 (33.1)

14 (42.4)

0.3

22 (27.2)

0.4

4 (13.3)

0.04

Time since AF diagnosis, years

4 (1–8)

4 (2–9)

5 (0.1–9)

0.5

3 (1–10)

0.1

2 (0–6)

0.01

History of electrical cardioversion

83 (30.9)

40 (35.4)

10 (31.3)

0.7

21 (25.9)

0.2

9 (31.0)

0.7

History of ablation

35 (13.0)

15 (13.3)

5 (15.6)

0.7

13 (16.0)

0.6

1 (3.4)

0.1

Family history of AF

33 (12.3)

13 (11.5)

3 (9.4)

0.7

10 (12.3)

0.9

7 (24.1)

0.08

Medical history

Congestive heart failure

81 (30.1)

34 (30.1)

13 (40.6)

0.3

24 (29.6)

0.9

8 (27.6)

0.8

Hypertension

227 (84.4)

99 (87.6)

30 (93.8)

0.3

65 (80.2)

0.2

26 (89.7)

0.8

Age ≥ 75 years

98 (36.4)

53 (46.9)

13 (40.6)

0.5

23 (28.4)

0.009

8 (27.6)

0.06

Age 65–74 years

114 (42.4)

41 (36.3)

14 (43.8)

0.4

43 (53.1)

0.02

13 (44.8)

0.4

Diabetes

81 (28.7)

31 (27.4)

10 (31.3)

0.4

22 (27.2)

0.7

8 (27.6)

0.9

Stroke / TIA / systemic embolism

55 (20.4)

22 (19.5)

7 (21.9)

0.8

20 (24.7)

0.4

4 (13.8)

0.5

Vascular disease

96 (35.7)

41 (36.3)

13 (40.6)

0.7

28 (34.6)

0.8

11 (37.6)

0.9

CHA2DS2-VASC Score

4 (2.5–5)

4 (3–5)

4 (3–5)

0.9

3 (2–5)

0.3

4 (3–4.5)

0.4

HAS-BLED Score

2 (1–3)

2 (1–2)

2 (1–3)

0.7

2 (1–3)

0.2

2 (1–3)

0.5

Abnormal liver or kidney function

52 (19.3)

24 (21.2)

5 (15.6)

0.5

18 (22.2)

0.9

5 (17.2)

0.6

CRNM bleeding

13 (4.8)

1 (0.9)

2 (6.3)

0.06

4 (4.9)

0.08

4 (13.8)

0.001

Major bleeding

10 (3.7)

1 (0.9)

5 (15.6)

<0.001

4 (4.9)

0.08

0

0.6

Venous thromboembolism

22 (8.2)

7 (6.2)

3 (9.4)

0.5

9 (11.1)

0.2

3 (10.3)

0.4

Cancer

58 (21.6)

19 (16.8)

9 (28.1)

0.2

19 (23.5)

0.3

6 (20.7)

0.6

OAC-naïve at baseline

18 (6.7)

4 (3.5)

2 (6.3)

0.5

6 (7.4)

0.2

4 (13.8)

0.03

Aspirin comedication

58 (21.6)

23 (20.4)

5 (15.6)

0.6

19 (23.5)

0.6

6 (20.7)

0.9

Clopidogrel comedication

14 (5.2)

9 (8.0)

2 (6.3)

0.7

3 (3.7)

0.2

0

0.1

Baseline laboratory parameters

Platelet count

214 (176–264)

211 (180–251)

203 (172–239)

0.4

215 (174–286)

0.3

238 (177–275)

0.4

Hemoglobin

13.2 (11.8–14.4)

13.5 (12.5–14.8)

13.2 (11.8–15.2)

0.3

12.7 (11.4–14.1)

0.002

12.8 (11.0–14.1)

0.05

Hematocrit

39.5 (35.1–42.8)

40.3 (37.4–43.9)

39.5 (34.9–42.6)

0.2

38.5 (33.6–41.0)

0.001

38.8 (33.9–41.2)

0.03

Leucocyte count

6.8 (5.7–8.5)

6.8 (5.7–7.9)

7.0 (6.0–8.6)

0.3

6.9 (5.7–8.9)

0.3

6.4 (5.2–7.9)

0.3

eGFR (ml/min/1.73 m2)

65.2 (53.3–79.6)

60.4 (49.5–74.3)

71.2 (58.4–91.8)

0.03

66.8 (56.2–82.1)

0.01

65.8 (56.6–73.1)

0.2

  1. Footnote: * Mann–Whitney-U test or chi2 p-value for asymptomatic two-sided difference between respective DOAC group and VKA group, statistically significant p-values in bold print
  2. Abbreviations: AF atrial fibrillation, VKA Vitamin-K-antagonist, BMI body-mass-index, TIA transient ischemic attack, CRNM bleeding clinically relevant non-major bleeding, OAC oral anticoagulation, eGFR estimated glomerular filtration rate