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Table 2 Echocardiographic characteristics of the study group

From: Clinical course, viral etiology, and the diagnostic workup for patients with suspected myocarditis: a single-center prospective study

Variable Category n = 51 Group A
(n = 12 ̸47)
Group B
(n = 35 ̸47)
P value
Ejection fraction < 40% 19 (37.3%) 2 (16.7%) 13 (37.1%)  
  40–49% 16 (31.4%) 2 (16.7%) 14 (40%) = 0.019
  > 50% 16 (31.4%) 8 (66.6%) 8 (22.9%)  
End diastolic diameter, cm Median (IQR) 5.9 (1.5) 5 (0.6) 6 (1.2) = 0.013
End systolic diameter, cm Median (IQR) 4.5 (1.6) 3.8 (0.8) 4.8 (1.2) = 0.005
Left atrial size, cm Median (IQR) 4 (1) 3.5 (0.5) 4.1 (0.6) = 0.014
Fraction shortening, % Median (IQR) 21 (10) 27.5 (14) 19 (10) = 0.013
Stroke Volume Index Median (IQR) 40 (11.5) 43 (14) 40 (11) = 0.077
Cardiac Index Median (IQR) 3.3 (0.8) 3.4 (0.8) 3.3 (0.9) = 0.751
Segmental wall motion abnormalities Yes 9 (17.6%) 5 (41.7%) 4 (11.4%)  
  No 11 (21.6%) 5 (41.7%) 6 (17.2%) = 0.001
  Global hypokinesia 31 (60.8%) 2 (16.6%) 25 (71.4%)  
Pericardial effusion Yes 7 (13.7%) 1 (8.3%) 6 (17.1%) = 0.417