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Table 1 Clinical characteristics of the study population

From: A LASSO-derived risk model for long-term mortality in Chinese patients with acute coronary syndrome

Characteristics

Total

Patients survived

Patients died

P Value

No. of patients

N = 2174

N = 1981

N = 193

Age

64.54 ± 10.57

63.96 ± 10.54

70.54 ± 8.83

<0.001

Gender, man, n (%)

1713 (78.79%)

1572 (79.35)

141 (73.06)

0.041

Medical history

 Pre-hypertension, n (%)

1183 (54.64)

1072 (54.31)

111 (58.12)

0.313

 Pre-diabetes mellitus, n (%)

470 (21.72)

412 (20.88)

58 (30.37)

0.002

 Pre-heart failure, n (%)

83 (5.3)

60 (4.3)

23 (12.2)

<0.001

 Pre-myocardial infarction, n (%)

379 (23.9)

329 (23.6)

50 (26.3)

0.475

At admission

 HR, beats/min

74.99 ± 26.09

74.51 ± 26.69

79.96 ± 18.05

<0.001

 SBP, mm Hg

130.51 ± 22.1

130.68 ± 21.52

128.79 ± 27.43

0.263

 DBP, mm Hg

76.29 ± 12.8

76.52 ± 12.64

73.88 ± 14.11

<0.001

 LVEF,  %

50.52 ± 24.62

50.55 ± 24.95

50.22 ± 19.41

0.896

Risk assessment

 GRACE risk score

92.95 ± 26.1

91.35 ± 25.64

109.44 ± 25.2

<0.001

 TIMI classification

4.58 ± 2.03

4.39 ± 1.94

5.94 ± 2.20

<0.001

Laboratory values

 Serum creatinine, μmol/L

94.44 ± 51.3

92.69 ± 47.87

112.37 ± 76

<0.001

 Blood glucose, mmol/L

7.17 ± 3.3

7.03 ± 3.11

8.59 ± 4.6

<0.001

 Total cholesterol, mmol/L

4.13 ± 1.11

4.13 ± 1.1

4.09 ± 1.2

0.602

 WBC, n × 109/L

7.92 ± 5.66

7.79 ± 5.75

9.23 ± 4.43

<0.001

 RBC, n × 1012/L

4.45 ± 1.11

4.47 ± 1.15

4.16 ± 0.65

<0.001

 Hemoglobin, g/L

134.22 ± 35.39

135.17 ± 36.42

124.42 ± 19.89

<0.001

 Platelets, n × 109/L

162.28 ± 61.05

161.79 ± 60.75

167.33 ± 63.95

0.229

 AST, U/L

56.91 ± 102.95

52.55 ± 81.82

102.8 ± 222.7

<0.001

 Serum K+, mmol/L

3.96 ± 0.47

3.96 ± 0.45

4 ± 0.62

0.261

 Serum Ca2+, mmol/L

2.32 ± 4.4

2.34 ± 4.61

2.16 ± 0.18

0.619

 Fibrinogen, g/L

3.83 ± 11.22

3.8 ± 11.46

4.18 ± 8.23

0.679

Discharge medications

 Aspirin, n (%)

2005 (94.18%)

1865 (96.68%)

140 (70.0%)

<0.001

 Clopidogrel, n (%)

2002 (94.03%)

1854 (96.11%)

148 (74.0%)

<0.001

 ACEI/ARBs, n (%)

1228 (57.73%)

1140 (59.16%)

88 (44.0%)

<0.001

 Beta-blockers, n (%)

1434 (67.45%)

1340 (69.57%)

94 (47.0%)

<0.001

 Statins, n (%)

1949 (91.55%)

1807 (93.68%)

142 (71.0%)

<0.001

  1. Data are expressed as mean ± SD or counts and percentages, as appropriate
  2. HR heart rate, SBP systolic blood pressures, DBP diastolic blood pressure, LVEF left ventricular ejection fraction, GRACE Global Registry of Acute Coronary Events, TIMI thrombolysis in myocardial infarction, WBC white blood cell, RBC red blood cell, AST aspartate transaminase, ACEI angiotensin-converting-enzyme inhibitors, ARB angiotensin II receptor blockers