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Table 1 Baseline characteristics of the incident NVAF cohort

From: Long-term vitamin K antagonists treatment patterns of Non-Valvular Atrial Fibrillation (NVAF): a population-based cohort study

 

Total

Men

Women

No initiation (within 3 months)

VKA* initiation

Antiplatelets* (only) initiation

 

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

Cohort size

135,241

64,786 (47.90)

70,455 (52.10)

34,659 (25.63)

51,794 (38.30)

48,788 (36.07)

Age, mean (SD)

75.09 (11.41)

73.29 (11.30)

76.73 (11.26)

72.54 (14.65)

75.95 (8.85)

75.98 (10.92)

18-49

4,526 (3.35)

2,643 (4.08)

1,883 (2.67)

2,918 (8.42)

525 (1.01)

1,083 (2.22)

50-59

6,770 (5.01)

3,948 (6.09)

2,822 (4.01)

2,558 (7.38)

1,697 (3.28)

2,515 (5.15)

60-69

22,730 (16.81)

12,736 (19.66)

9,994 (14.18)

6,027 (17.39)

8,408 (16.23)

8,295 (17.00)

70-79

51,018 (37.72)

26,376 (40.71)

24,642 (34.98)

10,977 (31.67)

22,533 (43.51)

17,508 (35.89)

80-89

40,769 (30.15)

16,403 (25.32)

24,366 (34.58)

9,369 (27.03)

16,503 (31.86)

14,897 (30.53)

≥90

9,428 (6.97)

2,680 (4.14)

6,748 (9.58)

2,810 (8.11)

2,128 (4.11)

4,490 (9.20)

Comorbidities

Hypertension

83,393 (61.66)

36,683 (56.62)

46,710 (66.30)

17,682 (51.02)

33,651 (64.97)

32,060 (65.71)

Myocardial infarction

27,909 (20.64)

16,186 (24.98)

11,723 (16.64)

3,475 (10.03)

10,081 (19.46)

14,353 (29.42)

Congestive heart failure

27,673 (20.46)

14,025 (21.65)

13,648 (19.37)

5,035 (14.53)

11,325 (21.87)

11,313 (23.19)

Prior stroke or TIA

11,654 (8.62)

5,644 (8.71)

6,010 (8.53)

1,726 (4.98)

5,088 (9.82)

4,840 (9.92)

Prior hemorrhage

21,080 (15.59)

11,160 (17.23)

9,920 (14.08)

6,452 (18.62)

6,437 (12.39)

8,191 (16.79)

Diabetes

34,337 (25.39)

17,893 (27.62)

16,444 (23.34)

6,318 (18.23)

13,688 (26.43)

14,331 (29.37)

Hyperlipidemia

57,433 (42.47)

30,360 (46.86)

27,073 (38.43)

8,165 (23.56)

23,688 (45.74)

25,580 (52.43)

Peripheral vascular disease

16,397 (12.12)

9,857 (15.21)

6,540 (9.28)

2,667 (7.69)

5,900 (11.39)

7,830 (16.05)

Chronic renal failure

14,467 (10.70)

8,228 (12.70)

6,239 (8.86)

3,124 (9.01)

4,960 (9.58)

6,383 (13.08)

Cancer

26,479 (19.58)

15,363 (23.71)

11,116 (15.78)

8,308 (23.97)

8,538 (16.48)

9,633 (19.74)

Charlson index, median (IQR)

1 (0-3)

1 (0-3)

1 (0-2)

1 (0-3)

1 (0-2)

1 (0-3)

0

50,090 (37.04)

21,300 (32.88)

28,790 (40.86)

14,295 (41.24)

20,308 (39.21)

15,487 (31.74)

1-2

49,213 (36.39)

23,036 (35.56)

26,177 (37.15)

11,517 (33.23)

19,606 (37.85)

18,090 (37.08)

≥3

35,938 (26.57)

20,450 (31.57)

15,488 (21.98)

8,847 (25.53)

11,880 (22.94)

15,211 (31.18)

CHADS2, median (IQR)

2 (1-3)

2 (1-2)

2 (1-3)

1 (1-2)

2 (1-3)

2 (1-3)

0

19,052 (14.09)

10,719 (16.55)

8,333 (11.83)

8,280 (23.89)

5,466 (10.55)

5,306 (10.88)

1

37,744 (27.91)

19,085 (29.46)

18,659 (26.48)

10,741 (30.99)

14,355 (27.72)

12,648 (25.92)

≥2

78,445 (58.00)

34,982 (54.00)

43,463 (61.69)

15,638 (45.12)

31,973 (61.73)

30,834 (63.20)

CHA2DS2-VASc, median (IQR)

3 (2-5)

3 (2-4)

4 (3-5)

3 (2-4)

4 (3-5)

4 (3-5)

0

4,209 (3.11)

4,209 (6.50)

0 (0.0)

2,212 (6.38)

875 (1.69)

1,122 (2.30)

1

11,530 (8.53)

7,962 (12.29)

3,568 (5.06)

4,973 (14.35)

3,380 (6.53)

3,177 (6.51)

≥2

119,502 (88.36)

52,615 (81.21)

66,887 (94.94)

27,474 (79.27)

47,539 (91.78)

44,489 (91.19)

HAS-BLED, median (IQR)

2 (1-3)

2 (1-3)

2 (1-3)

1 (1-2)

2 (1-3)

2 (2-3)

≤2

96,763 (71.55)

45,097 (69.61)

51,666 (73.33)

29,400 (84.83)

37,215 (71.85)

30,148 (61.79)

≥3

38,478 (28.45)

19,689 (30.39)

18,789 (26.67)

5,259 (15.17)

14,579 (28.15)

18,640 (38.21)

Medications

Antihypertensive drugs**

99,313 (73.43)

45,477 (70.20)

53.836 (76.41)

19,384 (55.93)

40,750 (78.68)

39,179 (80.30)

NSAIDs

49,164 (36.35)

21,617 (33.37)

27,547 (39.10)

12,496 (36.05)

19,003 (36.69)

17,665 (36.21)

Statins

52,132 (38.55)

27,934 (43.12)

24,198 (34.35)

6,873 (19.83)

21,703 (41.90)

23,556 (48.28)

  1. *Initiation within 3 months following NVAF diagnosis
  2. **Refers to angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, calcium channel blockers and diuretics
  3. Abbreviations: TIA transient ischemic attack, NSAIDs non-steroidal anti-inflammatory drugs