Table 2 Susceptibility of nonmeningeal isolates of S. pneumoniae recovered from January 2002 to June 2003 to expanded-spectrum cephalosporins using both M100-S11 and M100-S12 NCCLS standards
Antimicrobial agent | Total no. of isolates | NCCLS standard | % Susceptible | % Intermediate | % Resistant |
|---|---|---|---|---|---|
Ceftriaxone | 7,940 | M100-S11 | 86.9 | 9.9 | 3.2 |
M100-S12 | 96.8 | 2.3 | 1.0 | ||
Cefotaxime | 4,887 | M100-S11 | 82.4 | 13.5 | 4.1 |
M100-S12 | 95.9 | 2.6 | 1.5 |