Fig. 1

The heterogeneous pathogens of patients with lung abscess (A) The Venn diagram illustration of positive microbiological test results in patients; (B) The distribution of detected pathogens in all samples based on different microbial tests; (C) the most common pathogens in different microbiological tests; (D) Comparison of the diagnostic performance of mNGS with conventional tests. GNB: gram-negative bacilli, GPB: gram-positive bacilli, GPC: gram-positive cocci, GNC: gram-negative cocci