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. 2014 Jul;52(7):2371–2379. doi: 10.1128/JCM.00456-14

TABLE 2.

Serotypes, cluster analysis, and score values of MALDI-TOF MS spectra of 39 clinical isolates of L. monocytogenes

Serotype No. of isolates Clustera No. of isolates with indicated score values by MALDI-TOF Bruker Biotyper
<1.7 1.7–1.999 ≥2.0
1/2a 10 A 0 2 (1.889–1.902) 8 (2.058–2.321)
1/2b 17 B 0 0 17 (2.045–2.375)
4b 12 B 0 2 (1.82–1.98) 10 (2.069–2.437)
a

See Fig. 2 for definition of clusters A and B based on cluster analysis by spectra generated by MALDI-TOF Bruker Biotyper.