Table 3.
Genotypic characteristics of MSSA isolates stratified by agr functionality
| Genotype | No. of solates (%) | No. (%) of isolates | pvl positive [No. (%)] | |
|---|---|---|---|---|
| Dysfunctional agr | Functional agr | |||
| Total | 58 | 2 (3.45) | 56 (96.55) | 17 (29.31) |
| Community-associated | 31 (53.45) | 1 (3.23) | 30 (96.77) | 12 (38.71) |
| Hospital-associated | 27 (46.55) | 1 (3.70) | 26 (96.30) | 5 (18.52) |
| MLST | ||||
| 5 | 5 (8.62) | 0 | 5 (100.00) | 0 |
| 7 | 5 (8.62) | 0 | 5 (100.00) | 1 (20.00) |
| 22 | 12 (20.69) | 1 (8.33) | 11 (91.67) | 12 (100.00) |
| 25 | 6 (10.34) | 0 | 6 (100.00) | 1 (16.67) |
| 398 | 10 (17.24) | 1 (10.00) | 9 (90.00) | 1 (10.00) |
| Othersa | 20 (34.48) | 0 | 20 (100.00) | 2 (10.00) |
| spa type | ||||
| t002 | 4 (6.89) | 0 | 4 (100.00) | 0 |
| t189 | 4 (6.89) | 0 | 4 (100.00) | 0 |
| t309 | 11 (18.97) | 0 | 11 (100.00) | 11 (100.0) |
| t571 | 6 (10.34) | 1 (16.67) | 5 (83.33) | 0 |
| t701 | 4 (6.90) | 0 | 4 (100.00) | 0 |
| Othersb | 29 (50.00) | 1 (3.45) | 28 (96.55) | 6 (20.69) |
| agr type | ||||
| I | 46 (79.31) | 2 (4.35) | 44 (95.65) | 16 (34.78) |
| II | 9 (15.52) | 0 | 9 (100.00) | 0 |
| III | 1 (1.72) | 0 | 1 (100.00) | 0 |
| IV | 1 (1.72) | 0 | 1 (100.00) | 0 |
| NTc | 1 (1.72) | 0 | 1 (100.00) | 1 (100.00) |
| MLST-spa-agr type | ||||
| ST5-t002-agr II | 4 (6.90) | 0 | 4 (100.00) | 0 |
| ST6-t701-agr I | 4 (6.90) | 0 | 4 (100.00) | 0 |
| ST22-t309-agr I | 9 (15.52) | 0 | 9 (100.00) | 9 (100.00) |
| ST188-t189-agr I | 4 (6.90) | 0 | 4 (100.00) | 0 |
| ST398-t571-agr I | 6 (10.34) | 1 (16.67) | 5 (83.33) | 0 |
| Others | 31 (53.45) | 1 (3.23) | 30 (96.77) | 8 (25.81) |
aThe other MLSTs were ST1 (1 isolate), ST6 (4 isolate), ST8 (1 isolate), ST15 (3 isolates), ST25 (6 isolates), ST59 (4 isolates), ST121 (1 isolate), ST188 (4 isolates), ST950 (1 isolate), ST1281 (1 isolate)
bThe other spa types were t034 (3 isolates), t078 (2 isolates), t081 (1 isolate), t084 (3 isolates), t091 (2 isolates), t127 (1 isolate), t163 (1 isolate), t164 (1 isolate), t167 (1 isolate), t310 (1 isolate), t437 (2 isolates), t660 (1 isolate), t796 (2 isolates), t1062 (1 isolate), t1818 (1 isolate), t2092 (1 isolate), t4377 (1 isolate)
cNot determined