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Fig. 5 | BMC Infectious Diseases

Fig. 5

From: Evaluation of the interaction between tumor growth factor-β and interferon type I pathways in patients with COVID-19: focusing on ages 1 to 90 years

Fig. 5

Multiple comparisons between the mean serum levels of TGF-β (A), IFN-α (B), and SERPINE1 (C) in four age groups of patients (P < 20; patients under 20 years, P20-40; patients between 20 to 40 years, P40-60; patients between 40 to 60 years, P > 60; patients above 60 years). The data are presented as mean ± SD. A P value less than 0.05 is considered statistically significant. P; patient, ns; non-significant

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