Table 4.
Discordant result of the UMD SelectNA and MicroSeq ID methods
| Patient ID | Sample type | Indication | UMD SelectNA result | MicroSeq ID result | Other findings | Conclusion |
|---|---|---|---|---|---|---|
| 6 | Tissue | Infected hip prosthesis | S. dysgalactiae equisimilis | − | S. dysgalactiae equisimilis found with 16S in 3 other samples from the patient | R |
| 9 | Tissue | Mycotic aneurism | S. pneumoniae | − | Cocci found in blood culture bottle and positive antibody reaction for pneumococci | R |
| 10 | Tissue | Spinal implant infection | Staphylococcus lundunensis/hominis | − | Staphylococcus hominis cultured from tissue sample | R |
| 11 | Tissue | Infected knee prosthesis | S. aureus/simiae | − | S. aureus cultured from tissue | R |
| Tissue | S. aureus/simiae | − | R | |||
| 12 | Tissue | Infected hip prosthesis | Staphylococcus epidermidis/caprae/capitis | − | S. epidermidis cultured in 3 out of 5 biopsies | R |
| R | ||||||
| Tissue | S. epidermidis/caprae/capitis | − | ||||
| 13 | Tissue | Cerebral abscess | − | Toxoplasma gondii (parasite) | R | |
| 14 | Tissue | Infected hip prosthesis | Bacillus sp. & Thiotrix sp. | − | Two other tissue samples negative with the UMD and routine 16S/28S | A |
| 15 | Fluid from pacemaker electrode | Pericarditis | Kocuria rhizophila | − | Two other samples negative with UMD and routine 16S/28S | A |
| 16 | Implantation material | Spondylodiscitis | Hymenobacter arizonensis | − | Other implant material sample negative with UMD and routine 16S/28S | A |
| 17 | Tissue | Spondylodiscitis | Cloacibacterium normanense & Bergeyella sp. H1890 | − | Fluid from back negative with UMD and routine 16S/28S | A |
| 18 | Lymph node | Lymphoma | S. epidermidis | − | A |