Table 1 Baseline characteristics of the patients

From: A rapid 0/1 h algorithm for suspected non-ST-segment elevation myocardial infarction using high-sensitivity cardiac troponin I

 

All patients (n = 369)

NSTEMI (n = 84)

UA (n = 130)

Cardiac but not ACS (n = 28)

Non-Cardiac (n = 127)

P value

Age, year

62 (55–69)

59 (50.3–65)

65 (58–71)

62.5 (53–67)

62 (55–68)

<0.001

Female sex, no. (%)

144 (39.0%)

19 (22.6%)

50 (38.5%)

10 (35.7%)

65 (51.2%)

0.001

Body mass index, kg/m2

25.8 (23.6–28.3)

24.9 (24.0–28.3)

26.0 (23.8–28.4)

26.3 (24.0–27.9)

25.0 (22.1–27.9)

0.354

Chest Pain Onset (n = 369)

 Time since CPO, h

4.0 (2.0–6.5)

5.0 (2.0–8.0)

4.0 (2.0–6.0)

3.3 (2.0–6.0)

4.0 (2.0–7.0)

0.583

 Early presenters (<3 h after CPO)

122 (33.1%)

27 (32.1%)

45 (34.6%)

8 (28.6%)

42 (33.1%)

0.934

Risk factors, no. (%)

 Hypertension (n = 369)

254 (68.8%)

63 (75%)

96 (73.8%)

18 (64.3%)

77 (60.6%)

0.064

 Hypercholesterolemia (n = 348)

220 (63.2%)

66 (79.5%)

96 (75.6%)

20 (74.1%)

38 (34.2%)

<0.001

 Diabetes (n = 348)

112 (32.2%)

27 (32.5%)

55 (43.3%)

7 (25.9%)

23 (20.7%)

0.002

 Smoking History (n = 350)

150 (42.9%)

53 (63.9%)

63 (49.6%)

14 (51.9%)

20 (17.7%)

<0.001

History, no. (%)

 Coronary artery disease (n = 358)

146 (40.8%)

30 (36.1%)

86 (67.2%)

9 (33.3%)

21 (17.5%)

<0.001

 Previous MI (n = 350)

37 (10.6%)

14 (16.9%)

19 (15.0%)

1 (3.7%)

3 (2.7%)

0.001

 Previous PCI (n = 349)

70 (20.1%)

13 (15.9%)

46 (36.2%)

2 (7.4%)

9 (8.0%)

<0.001

 Previous CABG (n = 350)

3 (0.9%)

1 (1.2%)

2 (1.6%)

0 (0.0%)

0 (0.0%)

0.591

 Cerebrovascular Disease (n = 350)

31 (8.9%)

8 (9.6%)

14 (11.0%)

2 (7.4%)

7 (6.2%)

0.603

 Previous insulin use (n = 350)

36 (10.3%)

5 (6.0%)

16 (12.6%)

1 (3.7%)

14 (12.4%)

0.275

Laboratory findings

 Creatinine, umol/L (n = 355)

71.4 (60.9–84.3)

69.3 (59.4–84.5)

73.4 (62–84.8)

68.8 (57.2–89)

73.2 (60.3–83.3)

0.762

Chronic medication, no. (%)

 Aspirin and P2Y12 receptor antagonist (n = 343)

126 (36.7%)

30 (37.5%)

68 (53.1%)

6 (22.2%)

22 (20.4%)

<0.001

 Statins (n = 343)

147 (42.9%)

32 (40.0%)

78 (60.9%)

9 (33.3%)

28 (25.9%)

<0.001

  1. Numbers are presented as median (IQR) or numbers (%).
  2. CPO chest pain onset, MI myocardial infarction, PCI percutaneous coronary intervention, CABG coronary-artery bypass grafting.
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