Table 1.
Patient characteristics.
| VAP Patients | P. aeruginosa (n = 13) | Other microorganisms (n = 32)a or culture-negative (n = 16) | p Value |
|---|---|---|---|
| Age in years, mean S.D | 61.8 ± 9.8 | 58.6 ± 12.7 | 0.42 |
| BMI, mean S.D | 32.1 ± 11.9 | 31.3 ± 10.6 | 0.81 |
| Ventilator-free days, mean S.D | 8.2 ± 11.3 | 18.7 ± 10.0 | 0.002 |
| APACHE II Score, mean ± S.D | 17.7 ± 7.0 | 18.6 ± 8.7 | 0.72 |
| Race, n | |||
| White | 7 (53.8%) | 27 (56.2%) | 0.88 |
| African American | 6 (46.2%) | 18 (37.5%) | 0.58 |
| Other | 0 (0.0%) | 3 (6.3%) | 0.36 |
| Gender, n | |||
| Male | 4 (30.8%) | 24 (50.0%) | 0.22 |
| Female | 9 (69.2%) | 24 (50.0%) | 0.22 |
| ICU Locationm, n | |||
| Acute Care MICU | 5 (38.5%) | 39 (81.2%) | 0.002 |
| Acute Care CCRU | 0 (0.0%) | 3 (6.3%) | 0.36 |
| Long-Term CPRU | 8 (61.5%) | 6 (12.5%) | < 0.001 |
| Antibiotics, n | 13 (100%) | 46 (96.0%) | 0.45 |
| Anti-Pseudomonal Antibiotics | 13 (100%) | 39 (81.3%) | 0.11 |
| Chest X-ray Abnormality, n | 13 (100%) | 46 (96.0%) | 0.45 |
aAspergillus spp. (n = 1), Candida spp. (n = 2), Candida albicans (n = 5), Candida parapsilosis (n = 1), Enterococcus spp. (n = 4), Escherichia coli (n = 1), Klebsiella oxytoca (n = 1), Klebsiella pneumoniae (n = 1), Lactobacillus spp. (n = 1), Mycobacterium chelonae (n = 1), normal respiratory flora (n = 4), Proteus mirabilis (n = 1), Rothia spp. (n = 1), Staphylococcus spp. (n = 3), Staphylococcus aureus (n = 1), Streptococcus spp. (n = 6), Streptococcus pyogenes (n = 1).