Table 1.
Patients characteristics
| Age (years) | 66 ± 18 |
|---|---|
| Bodi Mass Index | 25 ± 6 |
| Predicted mortality by SAPS 2 (%) | 51 (28-77) |
| Actual hospital mortality [n (%)] | 13 (36) |
| Norepinephrine infusion rate (mcg.kg-1.min-1) (12 patients) | 0.32 ± 0.13 |
| Dobutamine infusion rate (mcg.kg-1.min-1) (2 patients) | 4.5 ± 0.7 |
| SOFA score on the study day | 7 (5.8-10) |
| Spontaneous respiratory activity [n (%)] | 27 (75) |
| Arrhythmias [n (%)] | 6 (17) |
| Fluid challenge volume (l) | 0.96 ± 0.24 |
| Fluid challenge volume (ml.kg-1) | 13 ± 2 |
ICU: Intensive Care Unit. SAPS: Simplified Acute Physiological Score; SOFA: Sequential Organ Failure Assessment. Data are shown as mean ± SD or median (interquartile range)