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Table 1 Study sample characterization variables

From: Quality indicators in prolonged hemodialysis with regional citrate anticoagulation with the genius system: retrospective cohort of critical patients with acute kidney injury

Variables (n = 49 patients, 53 sessions)

Measurements

Men, n (%)

37 (69.8)

Age (years), median (IQR)

53.8 (40-68)

Weight (kg), median (IQR)

79.94 (69-87)

ICU stay days, median (IQR)

30.73 (15-40)

Therapy indication

 

 Refractory hyperkalemia, n (%)

10 (18.9)

 Refractory metabolic acidosis, n (%)

14 (26.4)

 Uremic syndrome, n (%)

5 (9.4)

 Refractory hypervolemia, n (%)

14 (26.4)

 Dysnatremia, n (%)

6 (11.3)

 Intoxication, n (%)

5 (9.4)

 Anuria, n (%)

38 (71.6)

Blood flow (mL/min), median (IQR)

150 (120-150)

Sodium citrate flow 4% (mL/h), median (min-max)

260 (130-270)

Dose of sodium citrate (mmol/h), median (min-max)

30 (15-31)

Calcium gluconate replacement flow (mL/h), median (min-max)

22.0 (8-25)

Dose of calcium replaced (mmol/h), median (min-max)

1.84 (1.84-2.30)

Comorbidities

 

 CKD, n (%)

28 (52.8)

 Coronary artery disease, n (%)

14 (26.4)

 Diabetes Mellitus, n (%)

27 (50.9)

 Arterial Hypertension, n (%)

32 (61.5)

 Obesity, n (%)

17 (32.1)

 COVID-19, n (%)

29 (54.7)

General in-hospital mortality, n (%)

45 (84.9)

 In-hospital mortality from COVID-19, n (%)

27 (93.1)

CKD, n (%)

14 (26.4)

 Stage GFR 2, n (%)

1 (1.9)

 Stage GFR 3, n (%)

2 (3.8)

 Stage GFR 4, n (%)

5 (9.4)

 Stage GFR 5, n (%)

6 (11.3)

AKI on arrival from the ICU, n (%)

45 (84.9)

 KDIGO I, n (%)

4 (9.3)

 KDIGO II, n (%)

10 (23.3)

 KDIGO III, n (%)

29 (67.4)

Administration of vasoactive drug, n (%)

34 (64.2)

Mechanical ventilation, n (%)

43 (82.7)

  1. IQR, interquartile range; ICU, intensive care unit; CKD, chronic kidney disease; GFR, glomerular filtration rate; KDIGO, Kidney Disease Improving Global Outcomes (AKI Staging)
  2. Note: Data were expressed as median and IQR for quantitative variables. Minimum and maximum values were used for the sodium citrate and calcium gluconate flow results