Table 5 Longitudinal Biochemical variables evaluated during PICU length-of-stay, on different timepoints (GEE with marginal-normal distribution and identity link functions with AR correlation matrix of first order):

Sodium (mEq/L)

0.990

< 0.001

0.237

Survivors

140 (127; 154)

137 (119; 146)

136 (119; 145)

137 (125; 154)

median (min; max)

Non-survivors

141 (127; 154)

137 (122; 140)

137.5 (124; 147)

137 (120; 149)

median (min; max)

Potassium (mEq/L)

0.272

0.728

0.147

Survivors

4 (2.5; 6.4)

4.1 (2.8; 5.2)

4.25 (3.1; 5.8)

4 (2.6; 5.8)

median (min; max)

Non-survivors

4.4 (3.1; 7.4)

4 (2.6; 5.2)

3.8 (2.5; 10.1)

4.3 (2.8; 6.6)

median (min; max)

Arterial pH

< 0.001

0.110

0.931

Survivors

7.39 (7.07; 7.52)

7.40 (7.08; 7.54)

7.39 (7.00; 7.53)

7.39 (7.23; 7.49)

median (min; max)

Non-survivors

7.36 (6.65; 7.45)

7.39 (7.18; 7.52)

7.37 (6.59; 7.56)

7.32 (7.14; 7.48)

median (min; max)

Arterial Bicarbonate (mEq/L)

0.061

0.030

0.047

Survivors

22 (11.4; 27.4)

21.5 (12.5; 29.7)

21.8 (13.8; 32.9)

22.2 (13.5; 28.1)

median (min; max)

Non-survivors

20.1 (6.1; 28)

21.6 (15.7; 30.9)

21.5 (3.4; 31.2)

21 (15.6; 27.1)

median (min; max)

Albumin-corrected AG

< 0.001

0.002

0.208

Survivors

12.8 (4.5; 29.6)

12.3 (3.2; 21)

12.5 (2.3; 22)

13.7 (0.9; 22.4)

median (min; max)

Non-survivors

16.8 (5.4; 51.8)

15.3 (8.3; 34.6)

15.8 (5.6; 51.6)

15.9 (9.4; 29.6)

median (min; max)

Plasmatic Albumin (g/dL)

0.747

0.248

0.113

Survivors

3.1 (1.3; 4.4)

2.95 (2.1; 4.0)

2.95 (2.2; 4.5)

2.9 (1.7; 4.0)

median (min; max)

Non-survivors

2.9 (1.8; 4.0)

3.0 (2.1; 4.5)

2.95 (1.6; 4.7)

3.0 (2.1; 4.0)

median (min; max)

AST (U/dL)

0.001

< 0.001

< 0.001

Survivors

633.5 (28; 12,087)

162.5 (18; 2,694)

82.5 (1.7; 934)

40 (9; 953)

median (min; max)

Non-survivors

1,328 (196; 9,223)

403 (44; 2,169)

183.5 (22; 600)

54 (16; 1,147)

median (min; max)