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Table 1 Demographic, clinical and laboratory data of 110 patients with septic shock

From: Erythrocyte selenium concentration predicts intensive care unit and hospital mortality in patients with septic shock: a prospective observational study

Variable

ICU mortality

P value

 

Yes (n = 60)

No (n = 50)

 

Age, (years)

58.8 ± 15.7

56.2 ± 16.2

0.395

Male, number (%)

36 (60%)

34 (68%)

0.503

SOFA score

10.0 (7.3 - 12.0)

9.0 (7.0 - 10.0)

0.032

APACHE II score

21.9 ± 7.4

17.7 ± 6.7

0.003

Sepsis focus, number (%)

   

Respiratory

34 (57)

27 (54)

0.193

Soft tissue

8 (13)

2 (4)

 

Urinary

4 (7)

7 (14)

Abdominal

12 (20)

9 (18)

Others

2 (3)

5 (10)

MV, number (%)

58 (97)

38 (76)

0.003

RBC transfusion number (%)

37 (62)

28 (56)

0.684

Lactate, (mmol/L)

2.2 (1.3 - 3.8)

1.6 (1.1 - 2.2)

0.007

Hemoglobin, (g/dl)

10.9 ± 2.3

11.2 ± 2.4

0.534

Hematocrit, (%)

32.8 ± 6.7

33.8 ± 7.2

0.429

Leucocytes, (103/mm3)

16.1 (10.6 - 21.1)

12.7 (9.2 - 17.5)

0.070

Sodium, (mmol/L)

142 (137 - 147)

140 (137 - 146)

0.286

Potassium, (mmol/L)

4.2 (3.8 - 4.7)

4.1 (3.6 - 4.8)

0.631

Phosphorus, (mg/dl)

4.4 (3.4 - 5.4)

3.7 (2.8 - 4.6)

0.073

Total calcium, (mg/dl)

7.6 (7.0 - 8.3)

8.0 (7.5 - 8.3)

0.115

Magnesium, (mg/dl)

2.1 (1.8 - 2.3)

1.9 (1.7 - 2.2)

0.180

Glycemia, (mg/dl)

180 (121 - 247)

177 (129 - 248)

0.977

CRP, (mg/dl)

23.0 (8.0 - 31.5)

23.0 (6.5 - 36.0)

0.511

Albumin, (g/dl)

2.0 (1.7 - 2.5)

2.6 (2.1 - 3.0)

0.002

Urea, (mg/dl)

96.5 (52.3 - 138.5)

54.5 (42.0 - 92.5)

0.004

Creatinine, (mg/dl)

1.3 (0.7 - 2.5)

1.1 (0.6 - 2.5)

0.418

Erythrocyte Se, (μmol/L)

0.38 ± 0.15

0.46 ± 0.14

0.005

Plasma Se, (μmol/L)

0.30 ± 0.12

0.29 ± 0.11

0.787

Protein carbonyl, (nmol/ml)

14.6 (5.2 - 26.1)

5.4 (3.4 - 21.0)

0.021

GPx1, (U/g Hb)

30.1 (20.8 - 37.1)

31.2 (26.1 - 39.0)

0.301

  1. Data are expressed as the mean ± standard deviation (SD), median (including the lower and upper quartiles) or percentage. ICU, intensive care unit; SOFA, sequential organ failure assessment; APACHE II, acute physiology and chronic health evaluation II; MV, mechanical ventilation; RBC, red blood cell; CRP, C-reactive protein; Se, selenium concentration; GPx1, glutathione peroxidase activity.