Table 2 Detected microorganisms after exclusion of contaminations
Number of isolates | ||||||
|---|---|---|---|---|---|---|
Pathogens | Total | Detected by PCR | Detected by BC | PCR pos/BC pos | PCR pos/BC neg | PCR neg/BC pos |
Gram-positive bacteria | 33 | 7 (21%) | 28 (85%) | 2 (6%) | 5 (15%) | 26 (79%) |
Staphylococcus aureus | 2 | 1 (50%) | 2 (100%) | 1 (50%) | 0 (0%) | 1 (50%) |
CoNS | 13 | 0 (0%) | 13 (100%) | 0 (0%) | 0 (0%) | 13 (100%) |
Streptococcus pneumoniae | 0 | 0 | 0 | 0 | 0 | 0 |
Other Streptococcus spp. | 1 | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) | 1 (100%) |
Enterococcus faecalis | 3 | 2 (67%) | 2 (67%) | 1 (33%) | 1 (33%) | 1 (33%) |
Enterococcus faecium | 14 | 4 (29%) | 10 (71%) | 0 (0%) | 4 (29%) | 10 (71%) |
Gram-negative bacteria | 35 | 28 (80%) | 12 (34%) | 6 (17%) | 22 (63%) | 7 (20%) |
Escherichia coli | 5 | 4 (80%) | 2 (40%) | 1 (20%) | 3 (60%) | 1 (20%) |
Pseudomonas aeruginosa | 5 | 5 (100%) | 2 (40%) | 2 (40%) | 3 (60%) | 0 (0%) |
Enterobacter cloacea | 8 | 8 (100%) | 1 (13%) | 1 (13%) | 7 (88%) | 0 (0%) |
Klebsiella pneumonia | 9 | 7 (78%) | 3 (33%) | 1 (11%) | 6 (67%) | 2 (22%) |
Stenotrophomonas maltophilia | 1 | 1 (100%) | 0 (0%) | 1 (100%) | 0 (0%) | 0 (0%) |
Corynebacterium spp | 0 | – | 0 | – | – | 0 |
Morganella morganii | 1 | – | 1 (100%) | – | – | 1 (100%) |
Serratia marcensens | 6 | 3 (50%) | 3 (50%) | 0 (0%) | 3 (50%) | 3 (50%) |
Fungi | 18 | 12 (67%) | 9 (50%) | 3 (17%) | 9 (50%) | 6 (17%) |
Aspergillus fumigatus | 3 | 3 (100%) | 0 (0%) | 0 (0%) | 3 (100%) | 0 (0%) |
Candida albicans | 15 | 9 (60%) | 9 (60%) | 3 (20%) | 6 (40%) | 6 (40%) |