Research Article

Hospital-Acquired Acute Kidney Injury in Noncritical Care Setting: Clinical Characteristics and Outcomes

Table 4

Clinical outcomes of patients with hospital-acquired AKI based on nephrology consultation.

All patientsNephrology consultation (n = 31)No nephrology consultation (n = 191)

Recovery
 Complete (N (%))144 (64.9)16 (51.6)128 (67)0.022
 Partial (N (%))34 (15.3)4 (12.9)30 (15.7)
 No (N (%))44 (19.8)11(35.5)33 (17.3)
Discharge SCr, μmol/L (mean (SD))130.5 (82)218.3 (153.1)116.3 (51.5)
 Median (IQR)106.5 (83.8–145.5)152 (101–337)101 (82–134)<0.001
Length of hospitalisation, days (mean (SD))10.3 (8)14.9 (10.7)9.5 (7.4)
 Median (IQR)8 (5–13)13 (6–19)7 (5–12)0.003
In-hospital mortality (N (%))24 (10.8)4 (12.9)20 (10.5)0.754
Time of AKI to hospital discharge (mean (SD)) days7.8 (7.7)12.4 (10.2)7.0 (7)
 Median (IQR)5.5 (3–11)10 (4–18)5 (3–9)0.001
KDIGO stage at time of recovery/discharge (N (%))
 Stage 165 (29.3)5 (16.1)60 (31.4)
 Stage 26 (2.7)5 (16.1)1 (0.5)
 Stage 37 (3.2)5 (16.1)2 (0.9)

Categorical variables are compared using Chi-square tests or Fisher-Exact test (depending on counts within individual categorisation); means of two groups are compared using the t-test; continuous variables are compared using the Mann–Whitney U test.