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Table 1 Patient characteristics at ICU admission

From: Incidence and management of metabolic acidosis with sodium bicarbonate in the ICU: An international observational study

 

No SB (N = 180)

SB (N = 180)

p Value

Age, years

67.0 [55.6, 77.2]

65.8 [54.3, 76.2]

0.43

Sex, male

119 (66.1)

100 (55.6)

0.05

Weight, kg

67.0 [55.7, 84.0]

64.0 [53.1, 80.3]

0.12

Height, cm

165 [158, 172]

165 [157, 172]

0.74

BMI, kg/m2

24.0 [20.9, 29.0]

23.2 [20.5, 27.5]

0.18

ICU admission source

  

0.002

 Operation theatre

72 (40.0)

40 (22.2)

 

 Emergency department

64 (35.6)

84 (46.7)

 

 Ward

29 (16.1)

43 (23.9)

 

 Other hospital

13 ( 7.2)

9 ( 5.0)

 

 ICU in other hospital

2 ( 1.1)

4 ( 2.2)

 

Treatment goals on admission

  

0.26

 Full active management

164 (91.1)

154 (85.6)

 

 Treatment limitation order

14 ( 7.8)

20 (11.1)

 

 Palliative care

2 ( 1.1)

5 ( 2.8)

 

 Potential organ donation

0 ( 0.0)

1 ( 0.6)

 

Cardiac arrest in 24 h prior to ICU admission

  

0.19

 Yes

26 (14.5)

36 (20.0)

 

 No

153 (85.5)

143 (79.4)

 

 Unknown

0 ( 0.0)

1 ( 0.6)

 

Chronic hemo-dialysis/peritoneal-dialysis

23 (12.9)

8 ( 4.5)

0.01

Baseline creatinine, mmol/L

92.5 [70.0, 189.2]

97.0 [61.9, 147.7]

0.38

AKI

  

0.07

 No AKI

57 (47.9)

39 (35.1)

 

 Stage 1

28 (23.5)

22 (19.8)

 

 Stage 2

8 ( 6.7)

11 ( 9.9)

 

 Stage 3

26 (21.8)

39 (35.1)

 

APACHE III score

70 [51, 95]

99 [71, 129]

 < 0.001

  1. SB denotes sodium bicarbonate; BMI denotes body mass index; ICU, intensive care unit; AKI, acute kidney injury; APACHE, Acute Physiology And Chronic Health Evaluation