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Table 1 Characteristics of the 31 critically ill patients evaluated for fluid dynamics and body-composition assessment

From: The consequences of sudden fluid shifts on body composition in critically ill patients

Characteristics

Value

Demographics and health status

 

 Age, years (±SD)

62.4 ± 19.5

 Male gender, number (%)

19 (61.2)

 SAPS II at ICU admission (±SD)

60.0 ± 19.5

 Weight at ICU admission, kg (±SD)

64.8 ± 10.5

 Height, cm (±SD)

167 ± 11.1

 Body mass index at ICU admission, kg/m2 (±SD)

23.9 ± 3.8

 Malnourished at ICU admission, number (%)

4 (12.9)

ICU stay

 

Reason for ICU admission, number (%)

 

 Septic shock

16 (51.6)

 Cardiogenic shock

7 (22.6)

 Neurological failure

5 (16.1)

 Postoperative complications

3 (9.7)

Day of body composition assessment

 

 Length of ICU stay before measurements, days (±SD)

7.9 ± 4.7

 Mechanical ventilation, number (%)

18 (58.1)

 Vasopressors, number (%)

0

 Body temperature, °C (±SD)

37.0 ± 0.4

Hemodialysis

 

 Ultrafiltration, L (±SD)

-3.8 ± 0.8

 Dialysate sodium concentration, mmol/L (±SD)

143.0 ± 3.5

 Dialysate temperature, °C (±SD)

36.4 ± 0.5

 Pre-dialysis plasma sodium concentration, mmol/L (±SD)

137.8 ± 4.3

 Post-dialysis plasma sodium concentration, mmol/L (±SD)

140.8 ± 3.1

 Intradialytic sodium gradient (±SD)

5.1 ± 2.7

 Intradialytic sodium balance, mmol (±SD)

-323 ± 242

 Pre-dialysis plasma creatinine concentration, μmol/L (±SD)

427.2 ± 211.8

 Post-dialysis plasma creatinine concentration, μmol/L (±SD)

240.4 ± 119.5

 Pre-dialysis plasma osmolality, mmol/kg (±SD)

301.5 ± 13.3

 Post-dialysis plasma osmolality, mmol/kg (±SD)

297.3 ± 7.3

  1. SAPS II, Simple Acute Physiology Score; SD, standard deviation.