Skip to main content

Table 1 Baseline characteristics of cohorts with or without arrhythmias

From: Burden of cardiac arrhythmias in patients with acute myocardial infarction and their impact on hospitalization outcomes: insights from China acute myocardial infarction (CAMI) registry

 

Total (N = 23,835)

 

Arrhythmias (N = 1,991)

 

Non-arrhythmia (N = 21,844)

Arrhythmias (N = 1,991)

P value

Atrial tachyarrhythmias (N = 425)

Ventricular tachyarrhythmias (N = 811)

Bradyarrhythmias (N = 581)

≥ 2 kinds of arrhythmias (N = 174)

P value

Age (yrs)

60.22 ± 11.28

62.92 ± 11.26

< 0.001

66.99 ± 9.45

59.67 ± 11.65

64.20 ± 10.59

63.86 ± 11.42

< 0.001

Male (n, %)

16,868 (77.2%)

1,516 (76.1%)

0.28

304 (71.5%)

652 (80.4%)

427 (73.5%)

133 (76.4%)

0.002

BMI

24.35 ± 3.14

24.02 ± 3.04

< 0.001

23.80 ± 2.80

24.15 ± 3.13

24.06 ± 3.12

23.82 ± 2.90

0.21

Current smoker (n, %)

10,448 (48.1%)

896 (45.1%)

0.01

151 (35.5%)

414 (51.0%)

249 (43.1%)

82 (47.1%)

< 0.001

Family history (n, %)

853 (3.9%)

73 (3.7%)

0.58

12 (2.8%)

41 (5.1%)

18 (3.1%)

2 (1.1%)

0.02

Comorbidities

        

Hypertension (n, %)

10,459 (48.0%)

995 (50.1%)

0.08

225 (52.9%)

392 (48.4%)

301 (52.0%)

77 (44.3%)

0.14

Hyperlipidemia (n, %)

1,934 (8.9%)

125 (6.3%)

< 0.001

18 (4.2%)

57 (7.0%)

44 (7.6%)

6 (3.4%)

0.04

Diabetes mellitus (n, %)

4,041 (18.6%)

373 (18.8%)

0.82

87 (20.5%)

125 (15.5%)

127 (22.0%)

34 (19.5%)

0.01

CKD (n, %)

202 (0.9%)

32 (1.6%)

0.007

5 (1.2%)

15 (1.9%)

5 (0.9%)

7 (4.0%)

0.05

Medical History

        

Previous angina pectoris (n, %)

4,925 (26.1%)

480 (26.1%)

0.97

108 (27.7%)

203 (27.0%)

127 (23.6%)

42 (26.3%)

0.45

Previous PCI/CABG (n, %)

1,080 (5.7%)

95 (5.2%)

0.33

18 (4.6%)

47 (6.3%)

21 (3.9%)

9 (5.6%)

0.27

Previous MI (n, %)

1,439 (7.6%)

170 (9.0%)

0.02

33 (8.5%)

91 (12.1%)

31 (5.8%)

15 (9.3%)

< 0.001

Previous HF (n, %)

331 (1.5%)

73 (3.7%)

< 0.001

24 (5.6%)

26 (3.2%)

14 (2.4%)

9 (5.2%)

0.04

Previous Stroke (n, %)

1,719 (7.9%)

248 (12.5%)

< 0.001

68 (16.0%)

79 (9.8%)

82 (14.2%)

19 (10.9%)

0.007

Previous PAD (n, %)

141 (0.6%)

8 (0.4%)

0.16

2 (0.5%)

2 (0.2%)

1 (0.2%)

3 (1.7%)

0.12

Clinical characteristics

        

STEMI (n, %)

16,487 (75.5%)

1,658 (83.3%)

< 0.001

299 (70.4%)

697 (85.9%)

517 (89.0%)

145 (83.3%)

< 0.001

LVEF (%)

54.30 ± 9.88

51.57 ± 10.75

< 0.001

50.57 ± 11.15

50.16 ± 10.81

54.89 ± 9.45

49.72 ± 11.31

< 0.001

LVEDD (mm)

49.17 ± 12.07

49.82 ± 9.07

0.01

50.44 ± 9.87

49.87 ± 9.75

48.96 ± 7.60

51.05 ± 7.41

0.07

Killip classification III-IV (n, %)

832 (3.8%)

297 (15.0%)

< 0.001

62 (14.6%)

120 (14.9%)

76 (13.1%)

39 (22.4%)

0.04

Treatments

        

PCI (n, %)

8,306 (38.0%)

800 (40.2%)

0.27

130 (30.6%)

374 (46.1%)

234 (40.3%)

62 (35.6%)

0.18

CABG (n, %)

25 (0.1%)

2 (0.1%)

0.92

0

1 (0.1%)

1 (0.2%)

0

0.73

Fibrinolysis (n, %)

1,752 (8.0%)

254 (12.8%)

< 0.001

34 (8.0%)

128 (15.8%)

69 (11.9%)

23 (13.2%)

0.28

  1. Data are reported as mean ± SD.
  2. Abbreviation: BMI=body mass index; CKD=chronic kidney disease; PCI=percutaneous coronary intervention; CABG=coronary artery bypass graft; MI=myocardial infarction; HF=heart failure; PAD=peripheral artery disease; STEMI= ST-segment elevation myocardial infarction; LVEF=left ventricular ejection fraction; LVEDD= Left ventricular end-diastolic dimension.
Back to article page

BMC Cardiovascular Disorders

ISSN: 1471-2261

Contact us