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. 2023 Oct 5;42(11):1355–1363. doi: 10.1007/s10096-023-04666-x

Table 2.

Rate of identification and agreement of both MALDI-TOF MS systems after single measurement

Biotyper sirius VITEK MS PRIME
N (%) N (%) P value
Total isolates 618 618
Isolates with ID 611 (98.9) 605 (97.9) 0.18
No ID 6 (1.0) 10 (1.6) 0.31
No spectrum aquired 1 (0.1) 3 (0.5) 0.31
Score ≥ 2.0 (high consistency) 587 (95.0)
Score ≥ 2.0 (low consistency) 7 (1.1)
Score 1.7–1.99 17 (2.8)
Confidence value 99.9% 568 (91.9)
Confidence value 60–99.8% 11 (1.8)
Low discrimination 26 (4.2)
Pair of ID 598
Agreement on genus level 598 (100.0)
Agreement on species level 576 (96.3)