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 | |||||
a S Score