Table 1.

Literature inclusion and exclusion criteria.

Inclusion criteria(according to the “PICOS” standard)	Exclusion criteria
(1) Research object: Gram-negative bacteria (2) Research type: accuracy test, to extract data for identifying carbapenemase genes, only in the English language (3) Measurement indicators: detection rate (4) Diagnostic experimental methods: Xpert Carba-R assay was used to detect carbapenemase genes in GNB	(1) Duplicate literature (2) Abstracts, lectures, reviews, and summaries