Table 1 Identification (ID) rate for 629 monomicrobial positive blood cultures (PBCs) using the the Xpert Lysate-based Method
microorganisms | no. of strains | correct ID no. (%) | failed ID | |||||
|---|---|---|---|---|---|---|---|---|
species level | genus level | the conventional Culture Method result | the Xpert Lysate-based Method result | frequency | MALDI-TOF MS score | |||
total | 629 | 605 (96.18) | 612 (97.30) | |||||
Gram-negatives | 332 | 315 (94.88) | 322 (96.99) | Enterobacter cloacae | Enterobacter bugandensis | ×2 | 2.185; 1.976 | |
Enterobacter cloacae | Enterobacter asburiae | ×1 | 1.945 | |||||
Enterobacter asburiae | Enterobacter cloacae | ×1 | 1.724 | |||||
Serratia ureilytica | Serratia marcescens | ×1 | 1.956 | |||||
Pseudomonas aeruginosa | No result | ×7 | ||||||
Acinetobacter baumannii | Acinetobacter nosocomialis | ×1a | 1.813 | |||||
Acinetobacter nosocomialis | Acinetobacter seifertii | ×1 | 1.718 | |||||
Stenotrophomonas maltophilia | No result | ×2 | ||||||
Haemophilus influenzae | No result | ×1a | ||||||
Gram-positives | 255 | 252 (98.82) | 252 (98.82) | Staphylococcus epidermidis | No result | ×1 | ||
Rothia mucilaginosa | No result | ×1 | ||||||
Granulicatella adiacens | No result | ×1 | ||||||
anaerobes | 20 | 17 (85.00) | 17 (85.00) | Bacteroides fragilis | No result | ×2 | ||
Clostridium paraputrificum | No result | ×1 | ||||||
fungi | 22 | 21 (95.45) | 21 (95.45) | Talaromyces marneffei | No result | ×1 | ||