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Table 1 Baseline characteristics and CMR parameters of the whole study cohort and according to the occurrence of MACE

From: Prognosis after ST-elevation myocardial infarction: a study on cardiac magnetic resonance imaging versus clinical routine

Variable

All patients (n = 278)

MACE + (n = 52)

MACE – (n = 226)

P value

Age, years

65 (55–73)

69 (60–77)

64 (55–72)

0.02

Male sex, n (%)

201 (72.3)

36 (69.2)

164 (72.9)

0.27

Hypertension, n (%)

190 (68.6)

39 (75.0)

224 (67.0)

0.29

Diabetes mellitus, n (%)

74 (26.7)

21 (40.4)

53 (23.7)

0.04

Hyperlipidemia, n (%)

88 (31.8)

21 (40.4)

66 (29.5)

0.20

Current smoking, n (%)

104 (37.5)

14 (26.9)

89 (39.7)

0.17

Serum creatinine, μmol/l

80 (68–91)

83 (69–99)

79 (68–90)

0.18

BMI, kg/m2

27 (25–30)

27 (26–30)

27 (25–30)

0.80

CK-MBmax, μmol/l

3.0 (1.4–5.2)

4.5 (1.6–6.7)

2.8 (1.6–5.0)

<0.001

TIMI-risk score

3.0 (2.0–5.0)

5.0 (3.0–7.0)

3.0 (2.0–5.0)

<0.001

ST-segment resolution, %

73 (50–100)

62 (32–77)

76 (50–100)

0.003

Angiographic findings, n (%)

    

TIMI-flow pre-PCI 0

147 (52.8)

33 (63.4)

115 (50.9)

0.03

TIMI-flow pre-PCI I-III

131 (47.1)

19 (36.5)

111 (49.1)

 

TIMI-flow post-PCI 0-II

36 (12.9)

39 (75.0)

23 (10.6)

0.002

TIMI-flow post-PCI III

242 (87.0)

13 (25.0)

203 (89.8)

 

LV-EFecho, %

45 (40–50)

40 (32–50)

46 (40–55)

0.001

Time-to-revascularization, min

193 (132–348)

211 (135–396)

190 (128–336)

0.35

CMR parameters

    

LV-EFCMR, %

52 (42–60)

41 (33–50)

54 (45–62)

<0.001

Infarct size, %LV

16.1 (8.2–26.6)

31.5 (22.5–40.0)

13.1 (5.7–22.4)

<0.001

MO, %LV

0.69 (0.1–1.6)

1.5 (0.6–2.9)

0.6 (0.0–1.5)

0.001

MSI

48.0 (27.3–73.5)

27.0 (10.0–;39.7)

67.4 (47.9–83.3)

<0.001

  1. Continuous data are presented as median and interquartile range. %LV = percentage of left ventricular mass; BMI = body mass index; CK-MBmax = maximum level of creatine kinase-MB; CMR = cardiac magnetic resonance imaging; LV-EFCMR = left ventricular ejection fraction assessed by CMR; LV-EFecho = left ventricular ejection fraction assessed by echocardiography; MACE = major adverse cardiac events; MO = microvascular obstruction; MSI = myocardial salvage index; PCI = percutaneous coronary intervention; TIMI = Thrombolysis In Myocardial Infarction. Traditional outcome markers and prognosis