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Table 2 Results of MS analysis for microorganisms’ identification divided to microorganisms’ groups

From: Cheap and rapid in-house method for direct identification of positive blood cultures by MALDI-TOF MS technology

Microorganism group N SepsiTyper kit In-house method
Sa < 1.7 1.7 ≤ S ≤ 1.999 S ≥ 2.0 No identification S < 1.7 1.7 ≤ S ≤ 1.999 S ≥ 2.0 No identification
Gram negative bacteria 79 5 33 40 1 34 37 4 4
Gram positive bacteria 88 9 50 29 0 43 33 5 7
Yeasts 7 2 4 0 1 3 0 0 4
Anaerobic bacteria 12 4 7 1 0 7 2 0 3
Total N (%) 186 20 (11) 94 (50) 70 (38) 2 (1) 87 (47) 72 (39) 9 (5) 18 (10)