Table 1 Specific causes of death categorized by body mass index in patients with non-valvular atrial fibrillation

From: Reply to ‘Body mass index and the risk of all-cause mortality among patients with nonvalvular atrial fibrillation: a multicenter prospective observational study in China; methodological issues’

Cause of death, n (%)

Body mass index, kg/m 2

P-value

 

<18.5 (n=137)

18.5–23.9 (n=839)

24.0–27.9 (n=581)

⩾28.0 (n=202)

 

Cardiovascular death

23 (16.8)

81 (9.7)

38 (6.5)

16 (7.9)

0.002

 Sudden cardiac death

2 (1.5)

12 (1.4)

1 (0.2)

1 (0.5)

0.043

 Heart failure

11 (8.0)

56 (6.7)

24 (4.1)

10 (5.0)

0.128

 Stroke

8 (5.8)

8 (1.0)

6 (1.0)

3 (1.5)

0.002

 Myocardial infarction

1 (0.7)

2 (0.2)

5 (0.9)

1 (0.5)

0.270

 Haemorrhage

1 (0.7)

3 (0.4)

1 (0.2)

1 (0.5)

0.415

 Pulmonary embolus

0 (0.0)

0 (0.0)

1 (0.2)

0 (0.0)

0.532

Non-cardiovascular death

9 (6.6)

59 (7.0)

26 (4.5)

4 (2.0)

0.019

 Cancer

2 (1.5)

8 (1.0)

5 (0.9)

1 (0.5)

0.857

 Trauma

0 (0.0)

1 (0.1)

0 (0.0)

0 (0.0)

1.000

 Respiratory failure

2 (1.5)

12 (1.4)

2 (0.3)

2 (1.0)

0.147

 Infection

4 (2.9)

32 (3.8)

17 (2.9)

1 (0.5)

0.069

 Other causes

1 (0.7)

6 (0.7)

2 (0.3)

0 (0.0)

0.537

  1. Bold and italic values indicate that variables were statistically significant in χ2 tests.
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