Fig. 3
Forest plot of the (a) sensitivity and (b) negative predictive value of the index combined nasal and throat swab for a diagnosis of confirmed or probable COVID-19 stratified by subgroups
Fig. 3 | BMC Infectious Diseases
Forest plot of the (a) sensitivity and (b) negative predictive value of the index combined nasal and throat swab for a diagnosis of confirmed or probable COVID-19 stratified by subgroups