Table 2.
Antimicrobial susceptibility per clonal cluster group
| Antibiotic susceptibility | All (n = 594) | CC199 (n = 233) | CC320 (n = 239) | CC172 (n = 41) | Other ST (n = 81) |
|---|---|---|---|---|---|
| Median MIC (range) of: | |||||
| Penicillin | 0.25 (0.008–8) | 0.03 (0.008–4) | 2 (0.008–8) | 0.25 (0.008–0.5) | 0.125 (0.008–4) |
| Ceftriaxone | 0.125 (0.008–8)a | 0.015 (0.008–1)a | 1 (0.008–8) | 0.06 (0.008–1) | 0.06 (0.008–4) |
| No. (%) of isolates nonsusceptible to: | |||||
| Erythromycin | 333 (56.1)a | 64 (27.6)a | 234 (96.7) | 4 (9.8) | 31 (38.3) |
| Clindamycin | 242 (40.1)a | 3 (1.3)a | 225 (94.1) | 1 (2.4) | 13 (16.0) |
| TMP/SMX | 440 (74.7)a | 121 (52.2)a | 235 (98.3) | 29 (70.7) | 55 (67.9) |
a
One missing data point.