Table 3.
Gram-negative organism in cultures (n = 42) |
No Gram-negative organism in any cultures (n = 37) |
P value | |
---|---|---|---|
Age (range), years | 76 (23-97) | 71.0 (32-92) | 0.10 |
Percentage of males | 69 | 51 | 0.11 |
Body temperature (range), °C | 37.4 (34.6-39.2) | 37.4 (34.0-39.0) | 0.98 |
White blood cells (IQR),/mm3 | 11,070 (6,130-17,480) | 12,410 (6,740-16,290) | 0.95 |
Stab neutrophils (IQR), percentage | 18 (3.5-32.0) | 3.5 (1.4-7.8) | 0.0006 |
Segmented neutrophils (IQR), percentage | 65.0 (48.5-78.5) | 83.0 (70.5-86.5) | 0.0004 |
Left shift of neutrophils, percentage | 57.9 | 18.9 | 0.0004 |
C-reactive protein (IQR), mg/dL | 13.1 (6.0-21.4) | 13.7 (6.6-19.4) | 0.91 |
Procalcitonin (IQR), ng/mL | 4.9 (0.4-13.8) | 1.7 (0.2-3.0) | 0.05 |
EAA value (IQR) | 0.5 (0.45-0.53) | 0.49 (0.45-0.52) | 0.88 |
EAA, Endotoxin Activity Assay; IQR, interquartile range.