TABLE 3.
Comparison of frequencies of MDR phenotypes in S. pneumoniae in 1997–1998 (n = 174) and 1998–1999 (n = 472)
| Phenotype | Pattern of resistancea |
n (%)
|
|
|---|---|---|---|
| 1997–1998 | 1998–1999 | ||
| A | PEN, AZI, SXT | 118 (67.8) | 335 (71.0) |
| B | PEN, CTX, AZI, SXT | 18 (10.3) | 76 (16.1) |
| C | PEN, CTX, AZI | 24 (13.8) | 6 (1.3) |
| D | PEN, CTX, SXT | 11 (6.3) | 39 (8.3) |
| E | CTX, AZI, SXT | 2 (1.1) | 6 (1.3) |
| F | AZI, SXT, LEVO | 1 (0.6) | 5 (1.1) |
| G | PEN, AZI, SXT, LEVO | 0 (0.0) | 4 (0.8) |
| H | PEN, AZI, LEVO | 0 (0.0) | 1 (0.2) |
a
PEN, penicillin; CTX, ceftriaxone; AZI, azithromycin; SXT, trimethoprim-sulfamethoxazole; LEVO, levofloxacin.