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Table 1 Patient characteristics and clinical parameters

From: Fluid removal associates with better outcomes in critically ill patients receiving continuous renal replacement therapy: a cohort study

Parameter

All patients (n = 820)

Demographics

 Age, median [IQR]

65 [52–75]

 Male gender, n (%)

511 (62)

 BMI, n (%)

  < 20

34 (4)

  20 to < 25

225 (29)

  25 to < 30

255 (33)

  30 to < 40

200 (26)

  40 or more

53 (7)

Reason for ICU admission

 Medical (%)

73.2

 Surgical (%)

26.8

Admission diagnosis

 Sepsis (%)

38.7

 Post cardiac surgery (%)

4.1

 Post vascular surgery (%)

6.7

 Post non-cardiovascular surgery (%)

9.5

 Cardiac arrest (%)

3.1

 Cardiac emergency without cardiac arrest (%)

14.5

 Neurological emergency (%)

2.3

 Gastrointestinal emergency (%)

6.7

 Acute kidney injury (%)

3.6

 Decompensated liver disease (%)

4.6

 Others (%)

6.2

Comorbidities (%)

 Hypertension

56.4

 Heart disease

49.5

 Diabetes mellitus

35.6

 Chronic kidney disease

43.3

 Cancer

20.2

 Chronic obstructive pulmonary disease

18.4

 Chronic liver disease

14.2

Parameters at initiation of CRRT

 SOFA score, mean (SD)

10.4 (3.8)

 Arterial lactate concentration [mmol/l], median [IQR]

3 [1.8–6.5]

 Treatment with vasopressor, n (%)

588 (72)

 Hb [g/dl], median [IQR]

9.8 [8.8–11]

 Cumulative fluid balance [ml], median [IQR]

1772 [336–4536]

Outcomes

 ICU mortality, n (%)

264 (32)

 Hospital mortality, n (%)

331 (40)

  1. Abbreviations: BMI body mass index, ICU intensive care unit, IQR interquartile range, CRRT continuous renal replacement therapy, SOFA Sequential Organ Failure Assessment, Hb haemoglobin, SD standard deviation