Fig. 1From: Blood circulating bacterial DNA in hospitalized old COVID-19 patientsKaplan–Meier survival estimates according to BB-DNA percentiles in old COVID-19 patients. Kaplan–Meier plots comparing in-hospital mortality between patients with BB-DNA < 9.62 ng/mL (blue line) and patients with BB-DNA ≥ 9.62 ng/mL (green line). Log Rank Χ2 = 3.929 p = 0.047Back to article page