Ann Clin Microbiol 2023;26:19-27. Evaluation of two commercial kits for rapid pathogen identification directly from positive blood cultures by matrix-associated laser desorption/ionization time-of-flight mass spectrometry
Table 2. Accurate identification rate according to Gram type among 44 monomicrobial isolates
Gram stain (n)MALDI Biotyper SiriusVITEK MS PRIME
SepsiTyper No. (%) SepsiPrep No. (%)SepsiTyper No. (%)SepsiPrep No. (%)
Gram-negative (18)
Species/Genus level18 (100.0)15 (83.3)16 (88.9)14 (77.8)
Species level15 (83.3)12 (66.7)15 (83.3)13 (72.2)
Gram-positive (22)
Species/Genus level18 (81.8)14 (63.6)15 (68.2)13 (59.1)
Species level18 (81.8)14 (63.6)15 (68.2)13 (59.1)
Yeast (4)
Species/Genus level 4 (100.0)2 (50.0)2 (50.0)2 (50.0)
Species level 4 (100.0)2 (50.0)2 (50.0)2 (50.0)
Total (50)
Species/Genus level45 (90.0)35 (70.0)38 (76.0)32 (64.0)
Species level39 (78.0)29 (58.0)34 (68.0)29 (58.0)