Table 1 Results of MS analysis for microorganisms’ identification in positive blood cultures using SepsiTyper kit and in-house method
Species (as identified by the routine method) | 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 | ||
Acinetobacter baumannii | 6 | 1 | 4 | 1 | 3 | 3 | |||
Bacteroides fragilis | 2 | 2 | 2 | 2 | 2 | ||||
Campylobacter fetus | 2 | 2 | 1 | 1 | |||||
Candida albicans | 5 | 1 | 3 | 1 | 3 | 2 | |||
Candida tropicalis | 2 | 1 | 1 | 2 | |||||
Citrobacter freundii | 2 | 1 | 1 | 1 | 1 | ||||
Citrobacter koseri | 4 | 2 | 2 | 2 | 2 | ||||
Clostridium perfringens | 2 | 1 | 1 | 1 | 1 | ||||
Corynebacterium amycolatum | 2 | 2 | 1 | 1 | |||||
Corynebacterium jeikeium | 1 | 1 | 1 | ||||||
Enterobacter aerogenes | 4 | 2 | 2 | 3 | 1 | ||||
Enterobacter cloacae | 4 | 2 | 2 | 1 | 3 | ||||
Enterococcus faecalis | 11 | 2 | 7 | 2 | 6 | 4 | 1 | ||
Escherichia coli | 17 | 6 | 11 | 7 | 8 | 2 | |||
Fusobacterium nucleatum | 2 | 1 | 1 | 1 | 1 | ||||
Haemophilus influenzae | 3 | 2 | 1 | 3 | |||||
Klebsiella oxytoca | 2 | 2 | 2 | ||||||
Klebsiella pneumoniae | 11 | 6 | 5 | 3 | 8 | ||||
Micrococcus luteus | 3 | 1 | 2 | 1 | 2 | ||||
Morganella morganii | 2 | 2 | 2 | ||||||
Plesiomonas shigelloides | 3 | 2 | 1 | 2 | 1 | ||||
Propionibacterium acnes | 4 | 1 | 3 | 3 | 1 | ||||
Proteus mirabilis | 4 | 4 | 4 | ||||||
Providencia rettgeri | 4 | 2 | 2 | 1 | 2 | 1 | |||
Pseudomonas aeruginosa | 6 | 2 | 4 | 3 | 3 | ||||
Serratia marcescens | 3 | 3 | 3 | ||||||
Staphylococcus aureus | 22 | 9 | 13 | 7 | 11 | 4 | |||
Staphylococcus capitis | 4 | 3 | 1 | 3 | 1 | ||||
Staphylococcus epidermidis | 16 | 1 | 9 | 6 | 9 | 6 | 1 | ||
Staphylococcus haemolyticus | 3 | 1 | 2 | 2 | 1 | ||||
Staphylococcus hominis | 4 | 1 | 3 | 4 | |||||
Staphylococcus lugdunensis | 3 | 2 | 1 | 1 | 2 | ||||
Stenotrophomonas maltophilia | 2 | 2 | 2 | ||||||
Streptococcus agalactiae | 2 | 1 | 1 | 1 | 1 | ||||
Streptococcus dysgalactiae | 4 | 1 | 3 | 3 | 1 | ||||
Streptococcus gallolyticus | 2 | 2 | 2 | ||||||
Streptococcus pneumoniae | 5 | 1 | 2 | 2 | 2 | 2 | 1 | ||
Streptococcus pyogenes | 3 | 1 | 2 | 2 | 1 | ||||
Streptococcus sanguinis | 3 | 3 | 2 | 1 | |||||