Table 2 At the shivering threshold

Shivered (#/n)

11/13

13/13

13/13

Heart rate (beats min⁻¹)

227 ± 26^*†

263 ± 22

274 ± 18

MAP (mmHg)

71 ± 13^*

85 ± 21

88 ± 19

Respiratory rate (breaths min^− 1)

63 ± 12

63 ± 15

59 ± 13

BIS value

86 ± 10

87 ± 8

79 ± 12

Esophageal temperature (°C)

35.7 ± 1.1^*†

37.0 ± 0.7

37.9 ± 1.0

Arterial pH

7.40 ± 0.05^*

7.42 ± 0.04

7.47 ± 0.06

PaCO2 (mmHg)

35.3 ± 5.8^*

32.5 ± 4.0

30.3 ± 5.2

PaO2 (mmHg)

516 ± 120

490 ± 48

514 ± 65

Base excess (mmol L^− 1)

2.7 ± 3.2

3.5 ± 3.0

− 1.4 ± 4.6

K+ (mmol L^− 1)

2.6 ± 0.3

2.7 ± 0.3

2.9 ± 0.3

Lactate (mmol L^− 1)

3.3 ± 1.1

3.7 ± 1.7

3.9 ± 1.3

Glucose (mg dL^− 1)

62 ± 14^*†

83 ± 11^*

114 ± 18