Table 1 Acid-base parameters

Arterial pH

RL

7.41 (7.38-7.44)

7.43 (7.39-7.45)

7.41 (7.36-7.43)

7.37 (7.36-7.38)

7.33 (7.32-7.38)

7.24 (7.18-7.27)

7.12 (7.06-7.18)

7.12 (6.87-7.38)

NS

7.40 (7.36-7.49)

7.39 (7.36-7.40)*

7.35 (7.25-7.35)*

7.23 (7.14-7.29)*

7.03 (6.97-7.18)*

7.10 (7.02-7.18)*

6.99 (6.99-6.99)*

-

Arterial PCO2 (mmHg)

RL

36 (32-36)

31 (30-31)

32 (30-32)

33 (31-35)

33 (32-34)

35 (34-37)

35 (32-36)

41 (32-50)

NS

34 (33-37)

32 (30-34)

32 (31-34)

32 (31-34)

35 (33-36)

34 (33-34)

33 (33-33)

-

Chloride (mmol/L)

RL

108 (105-109)

110 (106-111)

111 (108-112)

111 (109-114)

113 (112-114)

114 (113-117)

112 (112-113)

110 (109-110)

NS

111 (107-113)

115 (112-117)*

121 (117-123)*

126 (122-128)*

127 (124-130)*

128 (125-130)*

126 (126-126)*

-

Arterial Lactate (mmol/L)

RL

1.2 (1.0-1.5)

1.2 (0.9-1.5)

1.4 (1.1-1.7)

1.4 (1.2-1.8)

2.0 (1.3-3.3)

3.7 (3.2-5.4)

6.6 (5.9-10.0)

6.0 (1.1-10.8)

NS

1.3 (0.8-1.9)

0.8 (0.7-1.2)

1.1 (0.7-1.3)*

1.5 (1.1-2.1)

5.8 (1.2-7.3)*

3.6 (2.3-4.8)

5.7 (5.7-5.7)

-