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Table 1 Patients characteristics, comorbidities, causes of ICU admission, RRT modalities at initiation of therapy and outcome according to the success or failure of RRT weaning attempt

From: Daily urinary creatinine predicts the weaning of renal replacement therapy in ICU acute kidney injury patients

  All patients (n = 54) S+ group (n = 26) S group (n = 28) p
Age (years) 63.5 [56–72.8] 61.5 [56–71] 67.5 [56.5–75.5] 0.12
Male [n (%)] 36 (67) 20 (77) 16 (51) 0.09
SAPS II 55 [39–69] 54 [39.5–65.8] 56 [40.5–74.5] 0.36
SOFA 11 [8–13] 11 [8.3–13] 11 [8.5–13] 0.51
Previous eGFR (ml/min/1.73 m2) 70 [45–92] 77 [45–96] 65 [46–89] 0.46
Main comorbidities [n (%)]     
 Hypertension 28 (52) 12 (46) 16 (57) 0.16
 Diabetes 19 (35) 8 (31) 11 (39)  
 Cardiac failure 8 (15) 4 (15) 4 (14)  
 Hemopathy 8 (15) 2 (8) 6 (21)  
Main reason for ICU admission [n (%)]     
 Septic shock 28 (52) 11 (42) 17 (61) 0.15
 Cardiogenic shock/cardiac arrest 10 (19) 5 (19) 5 (18)  
 Post-surgical 6 (13) 3 (12) 3 (11)  
 Other 10 (13) 5 (19) 5 (18)  
Initial RRT technique [n (%)]     
 IHDF 19 (35) 6 (23) 13 (46) 0.07
 CVVHDF 19 (35) 13 (50) 6 (21)  
 SLEDD-f 16 (30) 7 (27) 9 (32)  
Length of ICU stay (days) 19 [8.3–42] 13.5 [8.3–32.3] 24.5 [17.5–42] 0.012
Duration of RRT (days) 15 [5–35] 10.5 [5–14.8] 18 [10–35] 0.006
In-hospitality mortality [n (%)] 0 (0) 0 (0) 0 (0)
3-month mortality [n (%)] 4 (7.4) 0 (0) 4 (14) 0.11
eGFR at 3 months (ml/min/1.73 m2) 58 [49–92] 66 [68–92] 55 [49–77] 0.08
  1. Italic values indicate significance of p value (p <0.05)
  2. Results are displayed in median [interquartile range] if quantitative variable; and number and percentage if categorial variable
  3. p: differences between S+ and S groups
  4. SAPS II Simplified Acute Physiology Score, SOFA Sequential Organ Failure Assessment, eGFR estimated glomerular filtration rate, IHDF intermittent hemodiafiltration, CVVHDF continuous venovenous hemodiafiltration, SLEDD-f sustained low-efficiency daily dialysis-filtration, RRT renal replacement therapy