Table 3. Molecular characteristics, antibacterial drug resistance pattern and time of isolation of isolates belonging to the different clones.
Sequence type | SCC-mec type | MLVF | No. of isolates | Antimicrobial susceptibility pattern | Quarter | ||||||||||
Cip | Cli | Ery | Gen | Lin | Rif | Sxt | Tec | Tet | Tob | Va | |||||
22 | IVa | 22-A | 67 | S | S | S | S | S | S | S | S | S | S | S | 1–12 |
22 | IVa | 22-A | 67 | S | S | S | S | S | S | S | S | R | S | S | 1–12 |
22 | IVa | 22-B | 4 | S | S | S | S | S | S | S | S | S | S | S | 2,4 |
22 | IVa | 22-C | 17 | S | S | S | S | S | S | S | S | R | S | S | 2,3 |
22 | IVa | 22-D | 2 | S | S | S | S | S | S | S | S | R | S | S | 8 |
22 | IVa | 22-E | 1 | S | S | S | S | S | S | S | S | R | S | S | 8 |
22 | IVa | 22-F | 1 | S | S | S | S | S | S | S | S | R | S | S | 9 |
22 | IVa | 22-F | 1 | S | S | S | S | S | S | S | S | S | S | S | 9 |
22 | IVa | 22-H | 4 | S | S | S | S | S | S | S | S | S | S | S | 10 |
22 | IVa | 22-I | 2 | S | S | S | S | S | S | S | S | S | S | S | 11 |
8 | IVa | 8-A | 1 | R | S | R | S | S | S | S | S | S | S | S | 5 |
1 | IVa | 1-A | 15 | S | S* | R | R | S | S | S | S | S | S | S | 8,9 |
7 | IVa | 7-A | 1 | S | S | S | S | S | S | S | S | R | S | S | 10 |
20 | IVa | 20-A | 1 | S | S | R | S | S | S | S | S | R | S | S | 1 |
45 | IVa | 45-A, 45-B | 2 | S | S | S | R | S | S | S | S | S | S | S | 5,9 |
97 | IVa | 97-A | 1 | S | S | S | R | S | S | S | S | R | S | S | 5 |
SCC-mec, staphylococcal cassette chromosome mec; MLVF, multilocus variable number tandem repeat fingerprinting; S, susceptible; R, resistant.
Cip, ciprofloxacin; Cli, clindamycin; Ery, erythromycin; Gen, gentamicin; Lin, linezolid; Rif, rifampicin; Sxt, sulfamethoxazole-trimethoprim; Tec, teicoplanin; Tet, tetracycline; Tob, tobramycin; Va, vancomycin.
*Inducible clindamycin-resistant phenotype.