Table 1 Molecular typing, virulence, resistance and source data for all MRSA isolates included in the study (N = 50)
| Sequence type (no. of isolates) | CC or singleton |
PFGE CLUSTERS (A–I) (no. of clusters) | SCCmec and agr typing (no. of isolates) | Biofilm formation | Number of isolates positive for: | Source (s) (no. of isolates) | |||
|---|---|---|---|---|---|---|---|---|---|
| SCCmec | agr | tsst | enterotoxins | pvl | |||||
| ST239 (33) | 239 | D, E, F, H, I and G | III | I | BF (21) | 0 | sea (19), sek and seq (33) | 0 |
Plates and screws (14) THR (4), TKR (2) Intramedullary nails (8), other screws and wires (4), hip screw (1) |
| ST22 (9) | 22 | A, B | IV | I | BF (5) | 2 |
egc (9) sea (3) | 9 |
Plates and screws (7) Wire (1) Hip screw (1) |
| ST30 (2) | 30 | C | IV | III | NBF (2) | 0 | egc (2) | 2 | Hip screw (1), intramedullary nail (1) |
| ST642 (1) | 30 | C | IV | III | NBF (1) | 0 | sea, egc (1) | 1 | Hip screw (1) |
| ST772 (2) | 1 | G | V | II | BF (1) | 0 |
sea (2), egc (2) sec (1), sel (1) | 2 |
Wire (1) Plate and screw (1) |
| ST1 (1) | 1 | – | V | III | NBF (1) | 1 | sea, she, sek, seq (1) | 1 | Plate and screw (1) |
| ST6 (1) | 6 | – | IV | I | BF (1) | 0 | sea (1) | 0 | Plate and screw (1) |
| ST 107 (1) | – | – | NT | NT | BF (1) | 1 | egc (1) | 0 | Screw (1) |