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Table 1 Baseline characteristics of patients in each group

From: Circulating microRNA-1 in the diagnosis and predicting prognosis of patients with chest pain: a prospective cohort study

Group

AMI

non-AMI

non-ACP

χ2/ F / Z value

P value

P1 value

P2 value

P3 value

(n = 174)

(n = 167)

(n = 100)

Age(years)

68 (55, 75)

67 (60, 75)

56 (45, 69)

26.894

0.000

0.252

0.000

0.000

Male gender

121 (69.54)

121 (72.46)

75 (75)

1.536

0.464

0.460

0.226

0.566

Current smokers

116 (66.67)

47 (28.14)

8 (8)

126.207

0.000

0.000

0.000

0.000

Hypertension

127 (72.99)

119 (71.26)

30 (30)

85.888

0.000

0.999

0.000

0.000

Diabetes mellitus

53 (30.46)

45 (26.95)

6 (6)

32.261

0.000

0.259

0.000

0.000

Hypercholesterolemia

14 (8.05)

15 (8.98)

3 (3)

5.585

0.061

0.382

0.079

0.018

Hypertriglyceridemia

36 (20.69)

31 (18.56)

10 (10)

9.999

0.007

0.043

0.003

0.187

History of CVD

7 (4.02)

7 (4.19)

5 (5)

0.139

0.933

0.890

0.710

0.804

Heart rate(bpm)

88.5 (73, 107)

72 (64, 81)

72 (61, 81)

97.883

0.000

0.000

0.000

0.776

Body mass index(kg/m2)

24.15 (21.51, 27.41)

23.62 (20.43, 26.03)

23.1 (20.46, 25.78)

6.861

0.032

0.024

0.032

0.773

Creatinine(μmol/l)

88.4 (70.65, 109.25)

70.9 (65.2, 89.3)

71 (63.7, 85.3)

38.343

0.000

0.000

0.000

0.298

GFR (mL/min/1.73 m2)

71.46 (52.68, 90.3)

87.3 (73.37, 96.21)

93.54 (76.26, 105.61)

45.125

0.000

0.000

0.000

0.002

Creatine kinase MB(U/L)

33 (14.5, 104.2)

15.5 (12.3, 19.5)

8.9 (8.3, 9.45)

185.337

0.000

0.000

0.000

0.000

cTnI(μg/L)

3.23 (0.62, 16.62)

0.05 (0.00, 0.34)

0.00 (0.00, 0.00)

233.657

0.000

0.000

0.000

0.000

  1. Categorical variables were presented as numbers (%), continuous variables were presented as median and interquartile range (IQR). Continuous variables were compared with the Kruskal-Wallis H test of the three groups, and with the Mann-Whitney-U test between the two groups. Categorical variables were used with the Pearson χ2 test or Fisher’s exact test as appropriate. ACP acute chest pain, AMI Acute myocardial infarction, CVD cardiovascular disease, GFR(CKD-EPI) glomerular filtration rate (using the chronic kidney disease epidemiology collaboration formula based on plasma creatinine levels obtained at presentation in the Emergency Department), cTnI cardiac troponin I. χ2/ F / Z values were for the comparison of three groups. P for the comparison within three groups, P1 for the comparison between AMI group and non-AMI group while P2 for the comparison between AMI group and non-ACP group, P3 for the comparison between non-AMI group and non-ACP group