TABLE 3.
Types and composition ratio of main pathogenic bacteria in respiratory tract specimens of patients with VAP treated with first-generation of cephalosporin combined with vancomycin.
| Pathogenic bacteria | Number of strains (n) | Constituent ratio (%) |
|---|---|---|
| Fungus | 19 | 4.44 |
| Yeast | 18 | 4.21 |
| Mold | 1 | 0.23 |
| Gram Positive Bacteria | 155 | 36.21 |
| Staph Aureus Coag + | 147 | 34.35 |
| Streptococcus pneumoniae | 6 | 1.40 |
| Other | 2 | 0.47 |
| Gram Negative Bacteria | 254 | 59.35 |
| Enterobacteriaceae | 138 | 32.24 |
| Pseudomonas aeruginosa | 49 | 11.45 |
| Serratia marcescens | 42 | 9.81 |
| Klebsiella pneumoniae | 12 | 2.80 |
| Other | 13 | 3.05 |
| Total | 428 | 100.00 |