Control group# | Procalcitonin group¶ | ||||
Day after VAP onset | Microorganism | Acquired/persistant | Day after VAP onset | Microorganism | Acquired/persistant |
5 | Pseudomonas | Persistent | 4 | Stenotrophomonas | New |
5 | Pseudomonas | Persistent | 4 | MRSA | New |
5 | MRSA | Persistent | 5 | Pseudomonas | Persistent |
8 | Pseudomonas | New | 9 | MRSA and Klebsiella | New |
10 | Pseudomonas | Persistent | 9 | Alcaligenes and Acinetobacter | New |
12 | MRSA and Enterobacter | New | 10 | MRSA | New |
15 | Serratia | Persistent | 10 | Acinetobacter | New |
20 | Stenotrophomonas | Persistent | 15 | Klebsiella | Persistent |
21 | Escherichia coli | New | 15 | MRSA | Persistent |
21 | Pseudomonas | Persistent | 21 | Clostridium difficile | New |
24 | Enterococcus | New | 28 | Enterobacter | Persistent |
28 | Klebsiella | Persistent | 28 | Pseudomonas | Persistent |
28 | Pseudomonas | New | 30 | Pseudomonas | Persistent |
28 | MRSA | Persistent | |||
28 | Pseudomonas | Persistent | |||
28 | MRSA and Pseudomonas | New and persistent |
MRSA: methicillin-resistant Staphylococcus aureus. Organisms shown are those isolated at significant concentrations from semi-quantitative endotracheal aspirates or quantitative cultures of protected specimen brush (≥103 cfu·mL−1) and/or bronchoalveolar lavage fluid (≥104 cfu·mL−1). #: n = 50; ¶: n = 51.