Clinical Study

The Incidence and Prognostic Value of Hypochloremia in Critically Ill Patients

Table 2

Acid-base variables in hyperchloremic, normochloremic, and hypochloremic patients.

VariablesHyperchloremiaNormochloremiaHypochloremiaP value
( š‘› = 8 1 )( š‘› = 3 6 4 )( š‘› = 4 3 )

pH 7 . 4 1 Ā± 0 . 0 4 7 . 4 2 Ā± 0 . 0 3 5 7 . 4 4 Ā± 0 . 0 6 5 <.0001
PaCO2, mmHg 3 8 . 0 Ā± 4 . 8 4 0 . 7 Ā± 5 . 0 4 2 . 3 Ā± 7 . 3 <.0001
Bicarbonate, mmol/L 2 3 . 8 Ā± 2 . 2 2 6 . 0 Ā± 2 . 4 2 8 . 5 Ā± 5 . 0 <.0001
AG, mmol/L 7 . 0 Ā± 3 . 3 7 . 9 Ā± 2 . 9 1 1 . 3 Ā± 6 . 9 <.0001
SBE, mmol/Lāˆ’ 0 . 1 6 Ā± 2 . 1 2 . 0 Ā± 2 . 3 4 . 4 Ā± 5 . 1 <.0001
Sodium, mmol/L 1 3 5 . 7 Ā± 3 . 1 1 3 2 . 6 Ā± 3 . 4 1 3 0 . 0 Ā± 7 . 0 <.0001
SIDa, mmol/L 3 0 . 5 Ā± 3 . 1 3 3 . 9 Ā± 3 . 5 3 8 . 2 Ā± 4 . 4 <.0001
SIDe, mmol/L 2 6 . 9 Ā± 0 . 3 2 9 . 0 Ā± 0 . 2 3 2 . 1 Ā± 0 . 5 <.0001
SIG, mol/L 3 . 5 Ā± 2 . 8 4 . 8 Ā± 2 . 7 6 . 2 Ā± 3 . 4 <.0001
Albumin, g/dL 2 . 9 7 Ā± 0 . 5 7 2 . 7 8 Ā± 0 . 4 7 3 . 0 Ā± 0 . 0 8 <.0001
Phosphate, mmol/L 1 . 1 Ā± 0 . 3 1 . 0 0 Ā± 0 . 3 1 . 2 Ā± 0 . 5 <.0001
Lactate, mmol/L 1 . 4 Ā± 0 . 9 9 1 . 2 Ā± 0 . 8 2 . 2 Ā± 4 . 4 <.0001
Lactate + Chloride, 1 1 0 . 1 Ā± 2 . 1 1 0 3 . 6 Ā± 2 . 6 9 6 . 1 Ā± 6 . 3 <.0001
mmol/L

AG: anion gap; SBE: standard base excess; SIDa: apparent strong ion difference; SIDe: effective strong ion difference; SIG: strong ion gap.