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Table 2 Comparison of young and old STEMI groups

From: Analysis of risk factors of ST-segment elevation myocardial infarction in young patients

Variable

Young

Old

P

(n = 86)

(n = 65)

Age, y

40.00 (23, 44)

69.15 (63,74)

< 0.001

Male, n (%)

76 (88.37)

41 (63.08)

0.001

BMI, kg/m2

27.96 ± 2.80

26.18 ± 2.30

0.346

Systolic pressure, mmHg

133.59 (90, 200)

131.09 (96,180)

0.885

Diastolic pressure, mmHg

81.03 (50, 124)

73.20 (46, 120)

0.005

Pulse pressure, mmHg

52.67 (25, 90)

57.89 (30, 100)

0.030

Fasting blood sugar (mmol/L)

6.39 (3.76, 18.00)

6.02 (3.61, 12.00)

0.682

HbA1C (%)

6.26 ± 1.69

6.29 ± 1.47

0.458

CK (U/L)

1950.28 ± 1639.52

1691.35 ± 1411.02

0.533

CKMB (U/L)

163.99 ± 127.38

189.14 ± 173.26

0.066

TNI (ng/mL)

3.08 (0.11, 30)

3.40 (0.17, 30)

0.664

TG (mmol/L)

2.37 ± 2.48

1.29 ± 0.48

0.001

TC (mmol/L)

5.14 ± 1.39

4.74 ± 0.85

0.005

NHDL-C (mmol/L)

4.06 ± 1.35

3.60 ± 0.76

0.003

HDL-C (mmol/L)

1.07 ± 0.27

1.14 ± 0.24

0.760

Fib (g/L)

3.39 (1.90, 7.52)

3.88 (2.06, 10.94)

< 0.001

Hypertension, n (%)

41 (47.67)

35 (53.85)

0.512

Type II diabetes, n (%)

18 (20.93)

21 (32.30)

0.135

Cerebrovascular diseases, n (%)

6 (6.98)

18 (27.69)

< 0.001

Alcohol drinking, n (%)

25 (29.07)

7 (10.77)

0.008

Smoking, n (%)

71 (82.56%)

27 (41.54)

< 0.001

Smoking index

329.53 (0, 1200)

263.54 (0, 2400)

< 0.001

Family history of early CAD, n (%)

47 (54.65)

12 (18.46)

< 0.001

Angina pectoris before MI, n (%)

12 (13.95)

19 (29.23)

0.026

  1. Abbreviations: BMI body mass index, CAD coronary artery disease, CK creatine kinase, CKMB isoform of CK, Fib fibrinogen, HbA1c glycated hemoglobin, HDL-C high-density lipoprotein cholesterol, MI myocardial infarction, NHDL-C non-HDL-C, STEMI ST-segment elevation myocardial infarction, TC total cholesterol, TG triglyceride, TNI troponin I.
  2. Note: Data are expressed as mean ± standard deviation or medians (Q1, Q3).