TABLE 3 .
Comparison of typing S. aureus isolates by the genetic marker inference assay and real-time PCR SNP assays on unknown (not sequenced) samples
| Genetic marker inference |
No. of isolates in category by real-time PCR SNP assaya |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CC8 | Clade CC8a |
Clade CC8b |
Clade CC8c |
Group CC8e |
Clade CC8f |
ST239 | CC8 other |
Non- CC8 |
Total | |
| MRSA | ||||||||||
| CC8 | 114 | 7 | 0 | 34 | 11 | 57 | 4 | 1 | 0 | 114 |
| CC8-Unknown | 9 | 7 (5) | 0 | 2 (0) | 0 | 0 | 0 | 0 | 0 | 9 |
| USA500/Iberian | 21 | 0 | 0 | 21 (3) | 0 | 0 | 0 | 0 | 0 | 21 |
| CMRSA9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (0) | 0 | 1 |
| USA500 | 22 | 0 | 0 | 11 (11) | 11 (3) | 0 | 0 | 0 | 0 | 22 |
| USA300 | 57 | 0 | 0 | 0 | 0 | 57 (1) | 0 | 0 | 0 | 57 |
| ST239 | 4 | 0 | 0 | 0 | 0 | 0 | 4 (0) | 0 | 0 | 4 |
| Non-CC8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 (0) | 30 |
| Total | 114 | 7 | 0 | 34 | 11 | 57 | 4 | 1 | 30 | 144 |
| MSSA | ||||||||||
| CC8 | 61 | 0 | 18 | 4 | 15 | 20 | 0 | 4 | 3 | 64 |
| CC8-Unknown | 45 | 0 | 18 (18) | 4 (4) | 15 (15) | 4 (4) | 0 | 4 (4) | 3 (3) | 48 |
| USA300 | 16 | 0 | 0 | 0 | 0 | 16 (0) | 0 | 0 | 0 | 16 |
| Total | 61 | 0 | 18 | 4 | 15 | 20 | 0 | 4 | 3 | 64 |
a
Numbers in parentheses are the number of isolates that were subsequently whole-genome sequenced to determine the true strain type.