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. 2021 Mar 24;16(3):e0245424. doi: 10.1371/journal.pone.0245424

Fig 2. SAA, CRP and ferritin, markers of COVID-19, are higher in positive versus negative individuals and are associated with severe respiratory symptoms.

Fig 2

Top. SAA, CRP and ferritin were detected in serum samples of participants who tested negative and positive. Bottom. SAA, CRP and ferritin in serum samples of COVID-19 positive patients with [n = 42 (SAA), n = 38 (CRP), n = 48 (ferritin)] or without [n = 10 (SAA), n = 10 (CRP), n = 16 (ferritin)] severe respiratory symptoms (as defined in Fig 1). *p<0.05, **p<0.01, ***p<0.001.