Acute Kidney Injury Outcomes of Elderly and Nonelderly Patients in the Medical Intensive Care Unit of a University Hospital in a Developing Country
Table 2
Comparison of outcomes between the nonelderly and elderly patients with AKI†.
Outcomes
Overall
Nonelderly
Elderly
RR (95%CI)
In-hospital mortality, n (%)
113 (37.67)
58 (40.85)
55 (34.81)
0.88 (0.69–1.11)
0.34
28-day in-hospital mortality, n (%)
84 (28.0)
46 (32.4)
38 (24.1)
0.81 (0.64–1.04)
0.14
Requiring RRT, n (%)
77 (25.7)
35 (24.6)
42 (26.6)
1.06 (0.80–1.40)
0.80
28-day in-hospital mortality and RRT requirement, n (%)
172 (57.3)
69 (48.6)
73 (46.2)
0.95 (0.75–1.20)
0.77
Time to death, days
19 (12–29)
17 (11–25)
21 (14–33)
0.11
Length of ICU stay, days
6 (3–15)
5 (2–10)
9 (4–17)
0.0005
Time to initiated RRT, days
2 (1–3)
2 (1–3)
2 (1–4)
0.90
Indication for RRT, n (%)
0.30
Acidosis
29 (37.7)
17 (48.6)
12 (28.6)
Fluid overload
26 (33.8)
8 (22.9)
18 (42.9)
Uremia
16 (20.7)
8 (22.9)
8 (19.0)
Electrolyte disturbances
6 (7.8)
2 (5.6)
4 (9.5)
Data are presented as median (interquartile range) or number (percentage). †The elderly were those aged ≥65 years; abbreviations: AKI, acute kidney injury; CI, confidence interval; ICU, intensive care unit; RR, relative risk; and RRT, renal replacement therapy.
