Table 1.
General characteristics of study patients
| N | 89 |
| Age (years) | 68 [55-77] |
| Male | 56 (62.9%) |
| BMI (Kg/m2) | 26.51 [23.67-29.41] |
| Duration of ICU stay (days) | 13 [7-28] |
| Duration of Mechanical Ventilation (days) | 13 [7-28] |
| Admission APACHEII | 23.73 (7.71) |
| Admission SOFA | 9.13 (3.25) |
| Mortality | 38.2% |
| Admission pH | 7.364 (0.083) |
| Admission PaCO2 (mmHg) | 45 (9.9) |
| Admission [HCO3-] (mEq/l) | 25.03 (4.99) |
Values are reported as Median [Interquartile range] or Mean (Confidence Interval). BMI - Body Mass Index, APACHEII - Acute Physiology and Chronic Health Evaluation II, SOFA - Sequential Organ Failure Assessment, ICU - Intensive Care Unit.