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. 2021 Dec 24;8:737257. doi: 10.3389/fcvm.2021.737257

Table 1.

Demographics clinical parameters.

Healthy Control
N = 16
COVID-19
N = 32
Myocarditis
N = 22
P ANOVA P P P
Control vs. COVID-19 Control vs. Myocarditis COVID-19 vs. Myocarditis
Patient characteristics
Age, years 24 ± 5 48 ± 14 32 ± 15 <0.001 <0.001 0.031 0.004
Male, N (%) 8 (50) 19 (59) 17 (77) 0.54 0.08 0.17
BMI 22 ± 3 26 ± 5 26 ± 5 0.005 0.004 0.030 0.75
Hypertension, N (%) 0 (0) 13 (42) 3 (19), N = 16 0.012 0.12 0.14
Diabetes, N (%) 0 (0) 1 (3) 1 (6), N = 16 0.48 0.31 0.22
Hypercholesterolemia, N (%) 0 (0) 8 (26) 2 (13), N = 16 0.029 0.14 0.31
Known CAD, N (%) 0 (0) 3 (10) 1 (6), N = 16 0.21 0.31 0.71
Smoking, N (%) 0 (0) 13 (41) 5 (31), N = 16 0.003 0.015 0.53
COPD or asthma, N (%) 0 (0) 3 (10) 2 (13), N = 16 0.21 0.14 0.74
Systolic Blood pressure, mm Hg 112 ± 17 119 ± 15 114 ± 19 0.50 0.92 0.72
Diastolic Blood pressure, mm Hg 68 ± 11 73 ± 11 66 ± 10 0.26 0.90 0.09
Heart rate, beats per min 65 ± 5 78 ± 15 88 ± 22 0.83 0.94 0.91
Blood test results
High-sensitivity CRP, mg/dL 4 ± 9, N = 23 8 ± 12, N = 18 0.17
Elevated hsCRP, N (%) 5 (22), N = 23 10 (56), N = 18 0.033
Elevated Troponin, N (%) 9 (45), N = 20 10 (71), N = 14 0.17
CK, U/L 70 ± 37, N = 22 343 ± 396, N = 20 <0.001
CK-MB, U/L 18 ± 5, N = 15 37 ± 25, N = 20 <0.001
NT-proBNP, pg/mL 1291 ± 2484, N = 23 2194 ± 2360, N = 17 0.19
Elevated NT-proBNP, N (%) 6 (24), N = 25 15 (88), N = 17 <0.001
eGFR, mL/min 83 ± 24, N = 26 95 ± 16, N = 17 0.045
Medication N = 32 N = 16
Oral Anticoagulants, N (%) 4 (13) 2 (13) 0.70
Statins, N (%) 3 (9) 1 (6) 0.51
β-blockers, N (%) 14 (44) 8 (50) 0.59
Diuretics, N (%) 12 (38) 6 (38) 0.43
Nitrates, N (%) 0 (0) 0 (0) 0.99
ACE inhibitors, N (%) 10 (31) 3 (19) 0.14
Sartans, N (%) 5 (16) 1 (6) 0.20
Calcium Antagonists, N (%) 2 (6) 0 (0) 0.23
Symptoms N = 32 N = 16
Initial Presentation
Fever, N (%) 19 (59) 5 (31) 0.07
Chest pain, N (%) 8 (25) 9 (56) 0.033
Dyspnea, N (%) 20 (63) 9 (56) 0.68
Arrythmia, N (%) 1 (3) 7 (44) <0.001
Cough, N (%) 24 (75) 1 (6) <0.001
Nausea/vomiting/diarrhea, N (%) 11 (34) 3 (19) 0.26
Fatigue/weakness, N (%) 24 (75) 11 (69) 0.65
Amnesia, N (%) 10 (31) 5 (31) 0.99
Lack of taste or smell, N (%) 21 (66) 0 (0) <0.001
Persistent
Fatigue/weakness, N (%) 9 (28) 0 (0) 0.019
Amnesia, N (%) 2 (6) 0 (0) 0.31
Lack of taste or smell, N (%) 2 (6) 0 (0) 0.31
Arrythmia, N (%) 9 (28) 3 (19) 0.48

BMI, body mass index; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; COVID-19 coronavirus disease; hsCRP, high sensitivity C-reactive protein; CK, creatin-kinase; NT- proBNP, N-terminal pro-b type natriuretic peptide; eGFR, estimated glomerular filtration rate; ACE, acetyl coenzyme A.

For comparison of the continuous variables, ANOVA and post-hoc Tukey's tests were used, for categorial variables Chi-square or Fischer tests test were used, a P < 0.05 was considered significant. For incomplete set of data, N represents the number of subjects included in the analysis. Statistically significant p-values are indicated in bold.