Table 1.
Clinical metadata. Main characteristics of hospitalized patients enrolled in the study (n = 76).
| Age (years, mean ± SD) | 83.3 ± 7.5 |
| Female sex (n, %) | 37 (48) |
| Weight (kg, mean ± SD) | 70.3 ± 18.4 |
| Number of drugs (n, median and IQR) | 10 [8–12] |
| CIRS Comorbidity Score (points, median and IQR) | 11 [8–14.5] |
| Rockwood Clinical Frailty Scale (rank, median and IQR) | 5 [4–7] |
| Length of antibiotic exposure (days, median and IQR) | 1 [0–2] |
| Length of hospital stay (days, median and IQR) | 7 [4.5–20] |
| Number of chronic comorbidities (n, median and IQR) | 5 [3–6] |
| Prevalence of dementia (n, %) | 27 (35) |
| Prevalence of neurological diseases other than dementia (n, %) | 17 (22) |
| Prevalence of hypertension (n, %) | 49 (63) |
| Prevalence of cardiovascular diseases (n, %) | 40 (52) |
| Prevalence of respiratory diseases (n, %) | 19 (25) |
| Prevalence of diabetes, (n, %) | 24 (31) |
| Prevalence of chronic renal failure, (n, %) | 14 (19) |
| White Blood Cells, (u/mm3, median and IQR) | 8270 [6460–11130] |
| C-reactive protein (mg/L, median and IQR) | 80 [21–140] |
| Hemoglobin (g/dl, median and IQR) | 11.9 [9.8–13.3] |
| Creatinine (mg/dl, median and IQR) | 1.0 [0.8–1.4] |
| Sodium (mEq/L, median and IQR) | 139 [137–141] |
| Potassium (mEq/L, median and IQR) | 4.1 [3.7–4.4] |
| Albumin (g/dl, median and IQR) | 3.3 [3.0–3.6] |
| Total cholesterol (mg/dl, median and IQR) | 151 [126–179] |
| Triglycerides (mg/dl, median and IQR) | 93 [75–124] |