Fig. 4
From: SARS-CoV-2 infection increases airway bleeding risk in patients after tracheostomies
Detection of SARS-CoV-2 RNA in oropharyngeal swabs and tracheal swabs from patients with SARS-CoV-2 infection. A-B: swabs from patients with SARS-CoV-2 infection (n = 29). C-D: swabs from patients receiving temporary tracheostomy (n = 21). E-F: swabs from patients receiving permanent tracheostomy (n = 8). T-Trach: temporary tracheostomy. P-Trach: permanent tracheostomy. N-Ct Values: cycle threshold values of SARS-CoV-2 RNA obtained from N gene. ORF1ab-Ct values: cycle threshold values of SARS-CoV-2 RNA obtained from ORF1ab gene. **P<0.05, ns: no significance. Statistical analysis was performed by Student’s t-test or Mann-Whitney U test