Table 2.

In vitro interactions between trovafloxacin and ceftriaxone or vancomycin against penicillin-susceptible, -intermediate, and -resistant S. pneumoniae

S. pneumoniae penicillin susceptibility (n)No. (%) of isolates
Trovafloxacin and CeftriaxoneTrovafloxacin and Vancomycin
SynergyIndifferenceSynergyIndifference
Susceptible (15)7 (47)8 (53)3 (20)12 (80)
Intermediate (16)7 (44)9 (56)3 (19)13 (81)
Resistant (16)12 (75)4 (25)1 (6)15 (94)