Table 1.
Elderly patients demographics and clinical characteristics according to the presence of AKI (n=200)
| Characteristics | Total (N=200) |
AKIElderly patients demographics and clinical(N=54) | Non-AKIElderly patients demographics and clinical(N=146) | p-Value |
|---|---|---|---|---|
| Age (years) | 70.94±7.86 | 72.4±7.60 | 70.4±7.91 | 0.138 |
| Baseline creatinine (mg/dL) | 1.17±0.7 | 1.54±0.99 | 0.99±0.4 | <0.001 |
| Male (%) | 107 (53.5) | 28 (51.8) | 79 (54.1) | 0.94 |
| Heart rate (bpm) | 85.83±21.91 | 96±22.4 | 82.1±20.6 | <0.001 |
| initial SBP (mmHg) | 132.7±31.1 | 106.6±29.2 | 143.1±35.2 | <0.01 |
| Hypertension (%) | 141 (70.5) | 39 (72.2) | 102 (69.9) | 0.74 |
| Diabetes (%) | 78 (39) | 26 (48.1) | 52 (32.2) | 0.08 |
| Cardiovascular disease (%) | 65 (32.5) | 22 (40.7) | 43 (29.5) | 0.08 |
| Cause of ICU admission (%) | ||||
| Acute cardiovascular event* | 101 (50.5) | 19 (35.2) | 82 (56.2) | 0.003 |
| Sepsis | 69 (34.5) | 26 (48.1) | 43 (29.4) | <0.001 |
| Surgery | 30 (15) | 9 (16.7) | 21 (13.5) | 0.42 |
| APACHE II | 12.73±5.97 | 17.5±7.5 | 11.3±4.2 | <0.001 |
| ICU stay (days) | 6.88±7.91 | 11.4±5.4 | 5.2±2.1 | <0.001 |
| Temperature (ºC) | 36.42±1.88 | 37.41±1.02 | 36.14±1.10 | 0.004 |
| Respiratory rate (breaths per minute) | 19.29±8.81 | 18.8±5.1 | 19.1±9.6 | 0.55 |
| Noradrenaline use (%) | 52 (26) | 16 (29.6) | 36 (24.6) | 0.51 |
| Mechanical ventilation (%) | 66 (33) | 20 (37.0) | 46 (31.5) | 0.58 |
| Death (%) | 49 (24.5) | 26 (48.1) | 23 (15.7) | <0.001 |
Note:
*
Acute vascular event (stroke and acute myocardial infarction).
Abbreviations: AKI, acute kidney injury; APACHE, Acute Physiology and Chronic Health Evaluation; bpm, beats per minute; ICU, intensive care unit; SBP, systolic blood pressure.