Table 1

Description of the sample

Total
(n=250)
Acute myocardial infarction
(n=55)
Acute myocarditis
(n=136)
Takotsubo syndrome
(n=26)
Normal
CMR
(n=33)
P value
Patient characteristics and risk factors
 Age (years)42±1648±1534±1067±1049±14<0.001
 Gender
  Female85 (34)27 (49)16 (12)26 (100)16 (49)<0.001
  Male165 (66)28 (51)120 (88)0 (0)17 (51)
 Time between coronary angiography and CMR (days)2.7±1.92.9±1.92.4±1.93.4±2.12.8±2.0NS (0.062)
 Coronary angiography
  Normal178 (71)34 (62)112 (82)14 (54)19 (58)<0.001
  Signs of atherosclerosis72 (29)21 (38)24 (18)12 (46)14 (42)
 BMI (ttkg/m2) 25 (5) 25 (6) 26 (5) 24 (4) 26 (7)NS (0.319)
 Hypercholesterinaemia55 (36)20 (49)14 (20)9 (60)12 (48)0.001
 Hypertension67 (31)24 (47)15 (13)11 (48)17 (57)<0.001
 Diabetes mellitus12 (6)3 (6)3 (3)4 (17)2 (7)0.047
 Current smoking47 (22)15 (31)24 (22)3 (13)5 (17)NS (0.267)
 Reported infection and/or fever before the acute chest pain77 (37)7 (15)64 (56)1 (5)5 (20)<0.001
 ST-segment elevation present145 (61)28 (52)90 (69)13 (52)14 (44)0.016
Laboratory values
 Hs Troponin T (ng/L) 550 (905) 954 (1990) 689 (759) 373 (872) 93 (185)<0.001
 CK-MB (U/L) 39 (49) 46 (52) 46 (50) 34 (22) 21 (11)0.005
 CRP (mg/L) 16 (52) 5 (10) 31 (59) 4 (22) 9 (26)<0.001
 Creatinine (mmol/L) 71 (20) 68 (20) 73 (19) 69 (27) 67 (21)NS (0.573)
 GFR
  >60149 (95)35 (95)85 (99)9 (64)20 (0)<0.001
  <608 (5)2 (5)1 (1)5 (36)0 (0)
CMR characteristics
 LVEF (%)54±855±855±743±959±9<0.001
 LVEDVi (mL/m2)89±1486±1592±1392±1379±12<0.001
 LVESVi (ml/m2)41±1140±1442±952±1333±6<0.001
 LVSVi (ml/m2)48±947±850±939±846±7<0.001
 LVMi (g/m2)60±1256±1263±1257±1256±10<0.001
 Oedema present199 (80)53 (96)130 (96)16 (64)0 (0)<0.001
 LGE present196 (78)55 (100)136 (100)3 (12)0 (0)<0.001
 GLS (%)−19±5−19±4−20±3−11±6−21±4<0.001
 GCS (%)−24±6−23±6−25±5−17±5−29±5<0.001
 GRS (%)47±1448±1248±1126±1358±12<0.001
 MDL (%)13±615±512±416±614±5<0.001
 MDC (%)8±511±56±316±47±4<0.001
  • Values are mean±SD, n (%) or median (IQR) in italic are provided due to considerable skewness of the given variable.

  • BMI, body mass index; CK-MB, creatinine kinase myocardial band; CMR, cardiac magnetic resonance; CRP, C reactive protein; GCS, global circumferential strain; GFR, glomerular filtration rate; GLS, global longitudinal strain; GRS, global radial strain; LGE, late gadolinium enhancement; LVEDVi, left ventricular end diastolic volume index; LVEF, left ventricular ejection fraction; LVESVi, left ventricular end-systolic volume index; LVMi, left ventricular mass index; LVSVi, left ventricular stroke volume index; MDC, mechanical dispersion from circumferential strain; MDL, mechanical dispersion from longitudinal strain.