Table 4.
AMR genes detected by ddPCR and the related pathogens detected by blood culture and all microbiological testing
| AMR genes | Pathogens | ddPCR+ n, (%) |
BC+ and according to AST, n, (%) * | Microbiological testing and, according to AST n, (%) |
|---|---|---|---|---|
| blaKPC (n = 40) | klebsiella pneumoniae | 30 (75.0) | 6 (15.0) | 40 (100) |
| None | 10 (25.0) | 34 (85.0) | 0 (0) | |
| blaNDM (n = 3) | None | 3 (100) | 3(100) | 3(100) |
| mecA (n = 38) | Staphylococcus aureus | 3 (7.9) | 0 | 9 (23.7) |
| Staphylococcus haemolyticus | – | 2 (5.3) | 5 (13.2) | |
| Staphylococcus capitis | – | 2 (5.3) | 2 (5.3) | |
| Staphylococcus epidermidis | – | 3 (7.9) | 6 (15.8) | |
| Staphylococcus hominis | – | 1 (2.6) | 1 (2.6) | |
| Staphylococcus simulans | – | 1 (2.6) | 1 (2.6) | |
| Staphylococcus warneri | – | 1 (2.6) | 1 (2.6) | |
| None | 28 (73.7) | 13 (34.2) |
*Staphylococcus haemolyticus and Staphylococcus epidermidis were detected by blood culture in one sample. AMR gene, antimicrobial resistance gene; CRKP, carbapenem-resistant Klebsiella pneumoniae