Table 1.
Selected baseline characteristics of the population according with 30-day mortality
| Variables | Survivors (n = 41) |
Deaths (n = 124) |
p |
|---|---|---|---|
| Age, mean ± SD | 87.2 ± 4.5 | 87.6 ± 5.7 | 0.668 |
| Male sex, n (%) | 29 (70.7) | 71 (57.3) | 0.196 |
| Charlson Comorbidity Index, median [IQR] | 5 [3, 6] | 4 [3, 5] | 0.433 |
| Cancer, n (%) | 6 (14.6) | 23 (18.6) | 0.723 |
| Diabetes, n (%) | 17 (41.5) | 28 (22.5) | 0.129 |
| Chronic heart failure, n (%) | 15 (36.6) | 48 (38.7) | 0.926 |
| Cognitive decline, n (%) | 26 (63.4) | 91 (73.4) | 0.273 |
| Bedridden, n (%) | 14 (34.2) | 73 (58.9) | 0.009 |
| SPMSQ, median [IQR] | 9 [5, 10] | 10 [6, 10] | 0.219 |
| Number of drugs, median [IQR] | 6 [5, 9] | 7 [5, 9] | 0.897 |
| BADL, median [IQR] | 1 [0, 1] | 0 [0, 1] | 0.614 |
| IADL, median [IQR] | 0 [0, 1] | 0 [0, 0] | 0.791 |
| Delirium, n (%) | 17 (41.5) | 85 (68.6) | 0.002 |
| Prevalent, n (%) | 12 (29.3) | 40 (32.3) | 0.823 |
| Incident, n (%) | 5 (12.2) | 45 (36.3) | 0.006 |
| Hypotension, n (%) | 11 (26.9) | 44 (35.5) | 0.390 |
| Tachypnea, n (%) | 7 (17.1) | 44 (35.5) | 0.041 |
| Altered mental status, n (%) | 19 (46.4) | 66 (53.2) | 0.528 |
| White Blood Cells (×10^3/ μl), mean ± SD | 17.7 ± 10.5 | 15.4 ± 9.2 | 0.222 |
| Hemoglobin (g/dl), mean ± SD | 12.1 ± 2.1 | 11.1 ± 2.5 | 0.015 |
| Platelets Count (× 10^3/μl), mean ± SD | 256.1 ± 97.1 | 242.0 ± 114.6 | 0.443 |
| Creatinine (mg/dl), mean ± SD | 1.51 ± 0.82 | 1.80 ± 1.22 | 0.088 |
| Bilirubin mg/dl), mean ± SD | 0.8 ± 0.6 | 0.9 ± 0.8 | 0.272 |
| Albumin (g/dl), mean ± SD | 2.8 ± 0.6 | 2.4 ± 0.8 | 0.004 |
| pH, mean ± SD | 7.43 ± 0.08 | 7.43 ± 0.09 | 0.972 |
| C Reactive Protein (mg/dl), mean ± SD | 14.7 ± 8.6 | 14.7 ± 9.9 | 0.980 |
| Procalcitonin (ng/ml), mean ± SD | 25.0 ± 37.0 | 22.0 ± 33.0 | 0.673 |
Note: SPMSQ Short Portable Mental Status Questionnaire (number of errors), BADL Basic Activities Of Daily Living, IADL Instrumental Activities of Daily Living; Hypotension = systolic blood pressure < 100 mmHg; tachypnea = Respiratory Rate ≥ 22/min; altered mental status = Glasgow Coma Scale ≤14