CRP and COVID-19: Also, significantly higher levels of C-reactive protein [17 (13–28) vs. 10 (3–16) mg/dl; p = 0.004] and procalcitonin were found in non survivors compared to survivors COVID-19 patients [0.74 (0.56–2.58) vs. 0.24 (0.17–0.38); p < 0.001)].