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Table 1 CMR results for the reperfusion strategies

From: Prevalence and extent of infarct and microvascular obstruction following a range of reperfusion techniques in ST-elevation myocardial infarction

CMR marker

Non Reperfused (n=16)

All reperfused combined (PCI+Lysis Groups, n=72)

PPCI (n=47)

Lysis (n=12)

Rescue PCI (n=8)

Late PCI (n=5)

Non v All Reperfused (p)

Non v PCI (p)

Non v Lysis (p)

Non v Rescue PCI (p)

Non v Late PCI (p)

IS (%LV mass)

23.72 (13.38-32.40)

21.28 (14.31-34.91)

20.67 (13.33-31.06)

18.73 (11.74-28.11)

34.25 (21.26-41.52)

39.16 (21.11-45.51)

0.965

0.693

0.307

0.142

0.117

MVO (%LV mass)

1.94 (0.15-5.08)

0.56 (0.00-3.22)

0.49 (0.00-3.28)

0.22 (0.00-0.99)

1.16 (0.00-4.61)

4.11 (0.95-11.12)

0.231

0.242

0.047

0.664

0.281

Age (years)

63.12 (17.32)

59.75 (11.98)

60.49 (12.30)

63.12 (17.33)

59.50 (12.47)

63.13 (17.33)

0.353

0.509

0.501

0.605

0.318

Sex (M:F ratio)

14:2

66:6

41:6

11:1

8:0

5:0

0.602

0.893

0.729

0.307

0.417

Time To Reperfusion (mins)

n/a

268.61 (275.67)

187.04 (111.94)

213.82 (152.04)

281.63 (91.24)

1135 (822-1365)

n/a

n/a

n/a

n/a

n/a

Culprit vessel (LAD:non-LAD ratio)

7:5 (n=12)

34:37 (n=71)

19:28 (n=47)

6:5 (n=11)

4:4 (n=8)

3:2 (n=5)

0.641

0.269

0.858

0.721

0.960

  1. Normally distributed data expressed as mean (SD). Non-parametric data expressed as median (25th-75th quartile range) and analysed using Mann-Whitney analysis. Statistical significance taken at p<0.05.