Table 5. Comparison of the main features of three carbapenemase detection methods.

Parameter	NG-Test CARBA 5	mCIM/eCIM	Xpert® CARBA R
Sample type	Bacterial colonies, blood cultures	Bacterial colonies	Bacterial colonies, rectal swabs
Cost	Moderate	Low	High
Special instruments required	No	No	Yes
Experiment simplicity	Simple	Moderate	Simple
Time-to-result	15 min	18–24 h	1 h
Result interpretation	Simple	Moderate	Simple
Cover range for carbapenemase	KPC, NDM, VIM, IMP, OXA-48-like	Serine carbapenemase, MBL	KPC, NDM, VIM, IMP, OXA-48-like

mCIM, modified carbapenem inactivation method in conjunction; eCIM, EDTA carbapenem inactivation method; KPC, Klebsiella pneumoniae carbapenemase; NDM, New Delhi metallo-β-lactamase; VIM, Verona integron-encoded metallo-beta-lactamase; IMP, imipenemase; OXA, oxacillin-hydrolyzing class D beta-lactamase.