Table 4. In Vitro Susceptibility Rates of different pathogens to empiric initial intraperitoneal therapies in period 1 (1979–1992).
| 1979–1992 | Cefazolin n (% susceptible) | Ceftazidim n (% susceptible) | Gentamicin n (% susceptible) | Vancomycin n (% susceptible) |
|---|---|---|---|---|
| Gram-positive organisms | 82 (93) | 7 (86%) | 82 (79) | 80 (100) |
| Staphylococcus aureus | 23 (100) | 4 (100) | 23 (70) | 17 (100) |
| MSSA | 23 (100) | 4 (100) | 23 (70) | 17 (100) |
| MRSA | NA | NA | NA | NA |
| CNS | 41 (95) | NT | 41 (68) | 16 (100) |
| MRSE | NT | NT | 6 (67) | 6 (100) |
| Enterococcus spp. | NT | NT | 5 (80) | NT |
| Streptococcus spp. | 13 (85) | 3 (67) | 13 (54) | 6 (100) |
| Other gram positive rods | 2 (100) | NT | 2 (100) | 2 (100) |
| Others | 3 (67) | NT | 3 (100) | 1 (100) |
| Gram-negative organisms | NT | 3 (100) | 32 (94) | NT |
| Pseudomonas spp. | NT | 3 (100) | 7 (86) | NT |
| Stenotrophomonas spp. | NT | N | NA | NT |
| Escherichia coli | NT | NT | 12 (100) | NT |
| Klebsiella spp. | NT | NT | 3 (100) | NT |
| Acinetobacter spp. | NT | NT | 3 (100) | NT |
| Others | NT | NT | 7 (86) | NT |
MSSA, methicillin-sensitive S. aureus; MRSA, methicillin-resistant S. aureus; CNS, coagulase-negative staphylococci; NA, not available, NT, not tested; variables are expressed in number of antibiograms (percentage in parentheses regarding Susceptibility Rate);