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Table 3 Baseline plasma concentrations of immune-modulating ingredients and changes from baseline on day 4 and 8 in medical and non-medical critically ill patients

From: Glutamine, fish oil and antioxidants in critical illness: MetaPlus trial post hoc safety analysis

Immune-modulating nutrient concentrations

IMHP (n = 54) mean (SD)

HP (n = 55) mean (SD)

P value

3a: Medical patients (n = 109)

   

Glutamine (μmol/L)

   

 Baseline (BL)

393 (155)

406 (168)

0.687

 Day 4—BL

102 (141)

36 (141)

0.017

 Day 8—BL

77 (148)

10 (168)

0.070

(epa + dha)/lcf ratio (×10−2)

   

 Baseline

2.5 (1.1)

2.5 (1.1)

0.948

 Day 4—BL

3.3 (2.1)

−0.4 (0.5)

<0.001

 Day 8—BL

5.3 (2.2)

−0.7 (0.7)

<0.001

Selenium (μmol/L)

   

 Baseline

0.84 (0.37)

1.08 (1.00)

0.113

 Day 4—BL

0.16 (0.33)

−0.16 (1.08)

0.057

 Day 8—BL

0.21 (0.43)

−0.08 (1.26)

0.200

Vit E (μmol/L)

   

 Baseline

20.3 (7.6)

22.1 (7.2)

0.208

 Day 4—BL

19.5 (13.9)

2.5 (6.3)

<0.001

 Day 8—BL

29.1 (18.8)

5.7 (8.9)

<0.001

Vit C (μmol/L)

   

 Baseline

11.1 (14.0)

15.6 (22.0)

0.245

 Day 4—BL

13.6 (17.5)

−4.4 (21.9)

<0.001

 Day 8—BL

19.7 (18.5)

−5.6 (26.3)

<0.001

Zinc (μmol/L)

   

 Baseline

8.09 (6.05)

7.06 (4.05)

0.321

 Day 4—BL

0.73 (4.17)

1.56 (3.56)

0.308

 Day 8—BL

2.09 (3.90)

3.66 (4.34)

0.119

Immune-modulating nutrient concentrations

IMHP (n = 98) mean (SD)

HP (n = 94) mean (SD)

P value

3b Non-medical patients (n = 192)

   

Glutamine (μmol/L)

   

 Baseline (BL)

350 (163)

327 (104)

0.252

 Day 4—BL

55 (180)

27 (118)

0.206

 Day 8—BL

16 (191)

30 (137)

0.586

(epa + dha)/lcf ratio (×10−2)

   

 Baseline

2.5 (1.0)

2.7 (0.9)

0.226

 Day 4—BL

3.5 (2.2)

−0.2 (0.6)

<0.001

 Day 8—BL

5.0 (2.7)

−0.4 (0.6)

<0.001

Selenium (μmol/L)

   

 Baseline

0.99 (0.46)

0.99 (0.55)

0.928

 Day 4—BL

0.13 (0.59)

0.03 (0.56)

0.272

 Day 8—BL

0.17 (0.73)

0.15 (0.68)

0.900

Vit E (μmol/L)

   

 Baseline

19.6 (6.6)

20.5 (8.2)

0.399

 Day 4—BL

19.7 (13.9)

3.3 (5.8)

<0.001

 Day 8—BL

26.7 (14.4)

6.6 (7.5)

<0.001

Vit C (μmol/L)

   

 Baseline

9.7 (8.2)

9.8 (7.7)

0.904

 Day 4—BL

7.0 (13.2)

−2.1 (6.3)

<0.001

 Day 8—BL

11.6 (14.7)

−0.2 (9.3)

<0.001

Zinc (μmol/L)

   

 Baseline

6.18 (3.25)

6.24 (3.76)

0.907

 Day 4—BL

1.20 (3.13)

1.36 (3.85)

0.754

 Day 8—BL

3.98 (4.59)

3.44 (6.39)

0.538

  1. All tests were performed with two-sample t tests
  2. IMHP immune-modulating high-protein enteral nutrition, HP high-protein enteral nutrition, sd standard deviation, (epa + dha)/lcf ratio (eicosapentaenoicacid + decosahexaenoicacid)/long-chain fatty acid plasma level ratio, BL baseline, Day 4—BL change in plasma concentration from baseline to day 4, Day 8—BL change in plasma concentration from baseline to day 8