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Table 1 Median values; (1st and 3rd quartiles)

From: Plasma Cl:Na ratio: a simple alternative to Stewart's Strong Ion equation for detection of elevated lactate or unmeasured anions in metabolic acidosis

   

P-value

 

Cl:Na ≤ 0.74

Cl:Na > 0.74

Mann-

 

(n=35)

(n=101)

Whitney

pH

7.22 (7.13–7.31)

7.28 (7.21–7.32)

0.2

pCO2 (kPa)

4.4 (3.7–6.7)

4.6 (3.9–5.3)

0.9

BD (mmol/l)

10 (6–13)

7 (6–11)

0.1

LAC (mmol/l)

7 (2.2–9)

1.3 (0.8–3.6)

<0.001

UMA (mmol/l)

12 (8–15)

3 (–1–7)

<0.001

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Critical Care

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