Demographics of the patient population
| Control | Protocol | p Value | |
| Total | 37 | 37 | |
| % male | 67.6 | 67.6 | |
| Age (years), mean (SD) | 52.6 (17.7) | 45.1 (13.8) | 0.07 |
| APACHE II, mean (SD) | 24.9 (6.8) | 22.6 (8.1) | 0.26 |
| Site of infection | |||
| Lung | 21 | 26 | 0.23 |
| Abdomen | 3 | 2 | 0.65 |
| Endocarditis | 3 | 4 | 0.69 |
| Skin | 4 | 5 | 0.72 |
| Urinary tract | 1 | 4 | 0.17 |
| CNS | 2 | 0 | 0.16 |
| Line | 0 | 1 | 0.32 |
| No site | 5 | 6 | 0.75 |
| Comorbidities | |||
| HIV | 17 | 14 | 0.48 |
| Hepatitis B/hepatitis C | 24 | 16 | 0.06 |
| Chronic renal failure | 4 | 3 | 0.69 |
| Chronic liver failure | 3 | 2 | 0.65 |
| CHF | 4 | 3 | 0.69 |
| DM | 7 | 5 | 0.53 |
| COPD | 3 | 4 | 0.69 |
| Transplant | 1 | 1 | 1.00 |
APACHE II, Acute Physiology and Chronic Health Evaluation II; CNS, central nervous system; DM, diabetes mellitus.