Table 1.
Characteristics of patients
| Low EAA (<0.40) | Intermediate EAA (0.4-0.59) | High EAA (≥0.6) | P value | |
|---|---|---|---|---|
| Number | 104 | 79 | 27 | |
| Age (range), years | 67.5 (19-96) | 71 (23-97) | 76 (25-92) | 0.59 |
| Percentage of males | 69.8 | 60 | 74 | 0.25 |
| Body temperature (range), °C | 37.0 (36.4-37.6) | 37.2 (34-39.2) | 37.3 (36-39.2) | 0.51 |
| White blood cells (IQR),/mm3 | 12,030 (8,720-18,150) | 12,030 (7,080-17,053) | 11,550 (2,522-15,888) | 0.22 |
| Stab neutrophils (IQR), percentage | 9.0 (2.4-21.4) | 7.5 (2.0-23.0) | 10.0 (2.8-37.8) | 0.45 |
| Segmented neutrophils (IQR), percentage | 78.5 (66.0-84.6) | 78.0 (59.8-85.5) | 71.0 (36.1- 84.8) | 0.19 |
| Left shift of neutrophils, percentage | 37.7 | 36.3 | 44.4 | 0.77 |
| C-reactive protein (IQR), mg/dL | 11.6 (7.0-19.6) | 12.2 (6.9-19.9) | 13.2 (6.4-21.2) | 0.06 |
| Procalcitonin (IQR), ng/mL | 1.0 (0.2-5.2) | 1.7 (0.3-7.7) | 4.7 (1.6-24.8) | 0.003 |
| Gram-negative organism, percentage | 27.4 | 51.3 | 70.4 | <0.0001 |
| Gram-negative bacteremia, percentage | 3.8 | 10 | 25.9 | <0.0001 |
| ICU mortality, percentage | 17.3 | 22.5 | 37 | 0.13 |
EAA, Endotoxin Activity Assay; ICU, intensive care unit; IQR, interquartile range.