Skip to main content
. 2021 Sep 7;11:17798. doi: 10.1038/s41598-021-97120-x

Table 1.

Clinical information, cardiac magnetic resonance imaging, and quantitative echocardiographic data from all athletes included in this study.

Clinical parameter Mean (SD) Mean (SD) p
COVID-19 Non-COVID-19
N 8 4
Age,y 27 (3.5) 22 (2.6)
Weight, kg 96.7 (5.4) 96.0 (8.0) ns
Height, cm 190.8 (5.4) 193.5 (10.4) ns
Time from the positive COVID-19 test result to clinical tests, d 19 (7)
Clinical symptoms Yes No
No symptoms, No 1
Headache, No 5
Rhinitis, No 4
No sense of taste and/or smell, No 3
Chest pain, No 2
Breathing problems, No 2
Sore throat, cough, sniffles, No 1
Listlessness, No 1
Aching limbs, No 1
ECG-abnormalities rest, No 0 0
ECG-abnormalities exercise, No 1 0
Echocardiographic measurements
Global longitudinal strain (GLS), %  − 18.1 (1.8)  − 17.4 (1.7) ns
Pericardial effusion, No 1 0
Cardiac MRI measurements (left ventricular)
Ejection fraction, % 58.3 (4.7) 58.3 (4.1) ns
End-diastolic volume index, ml/m2 60.9 (4.8) 61.1 (6.0) ns
End-systolic volume index, ml/m2 25.6 (4.1) 25.5 (3.0) ns
Stroke volume index, ml/m2 35.4 (3.2) 35.6 (4.6) ns
Native T1 value, ms (reference: 1250 ms) 1205 (55) 1215 (24) ns
 Base 1202 (53) 1216 (41) ns
 Middle 1203 (61) 1205 (27) ns
 Apex 1210 (54 1222 (11) ns
 Number of segments above reference 2.6 (3.5) 2.5 (3.7) ns
Native T2 value, ms (reference: 45 ms) 49.1 (4.4) 48.7 (0.8) ns
 Base 47.8 (4.0) 48.2 (2.8) ns
 Middle 48.5 (3.5) 49.4 (1.1) ns
 Apex 51.2 (4.4) 48.7 (2.0) ns
 Number of segments above reference 13.6 (3.5) 13.3 (4.0) ns
Late gadolinium enhancement present, No 2 0

ECG Electrocardiogram, ns Not significant, No Number.