TABLE 3.
Staphylococcus species identification discordant sequencing results for rpoB (all sites combined)
| Portrait Staph ID/R BCP result | Discordant result (n)b | BD Phoenix result | rpoB sequencing result |
|---|---|---|---|
| S. aureus in mixed Stapha infection (not S. lugdunensis) | FP for mixed (1) | S. aureus | S. aureus |
| S. aureus in mixed Staph infection (not S. lugdunensis) | FP (1) | Staphylococcus epidermidis | S. epidermidis |
| S. aureus in mixed Staph infection (not S. lugdunensis) | FP (1) | Staphylococcus hominis | S. hominis |
| S. lugdunensis in mixed Staph infection (not S. aureus) | FP (1) | S. epidermidis | S. epidermidis |
| Staph species other than S. aureus or S. lugdunensis | FP (2) | Corynebacterium jeikeium | Staphylococcus pettenkoferi |
| Staph species other than S. aureus or S. lugdunensis | FP (1) | Rothia mucilaginosa | S. epidermidis |
| Staph species other than S. aureus or S. lugdunensis | FP (1) | R. mucilaginosa/Streptococcus gordonii | S. hominis/S. epidermidis |
| Staph species other than S. aureus or S. lugdunensis | FN (2) | S. aureus | S. epidermidis |
| Staph species other than S. aureus or S. lugdunensis | FN (1) | S. aureus/S. epidermidis/S. hominis | S. epidermidis |
| Negative | FN (1) | S. epidermidis | S. epidermidis |
| Negative | FN (1) | S. hominis | S. epidermidis |
a
mixed Staph, mixed Staphylococcus spp.
b
For a total of 13 isolates; FP, false positive; FN, false negative.