N

Mean

Std. Deviation

P Value

Arterial pH

71

7.3832

0.04831

0.01

Venous pH

71

7.3710

0.04894

0.01

Arterial HCO₃

71

19.4958

2.18792

0.46

Venous HCO₃

71

18.8845

2.33951

0.91