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Table 2 Hemodynamic data and core temperature at different points of time (mean ± SD)

From: Effects of dexmedetomidine on evoked potentials in spinal surgery under combined intravenous inhalation anesthesia: a randomized controlled trial

Variable

Group

T0

T1

T2

T3

T4

MAP (mmHg)

C(n = 27)

93 ± 8

81 ± 8

79 ± 5

80 ± 6

79 ± 6

DL(n = 24)

99 ± 11

84 ± 11

85 ± 10

84 ± 11

86 ± 10*

DH(n = 28)

92 ± 11

81 ± 7

89 ± 15*

89 ± 12*

89 ± 11*

P

0.055

0.366

0.005

0.004

 < 0.001

HR (bpm)

C(n = 27)

72 ± 10

63 ± 11

62 ± 10

62 ± 6

60 ± 6

DL(n = 24)

76 ± 12

66 ± 9

61 ± 7

60 ± 7

61 ± 7

DH(n = 28)

76 ± 10

62 ± 9

60 ± 10

62 ± 11

64 ± 9

P

0.301

0.470

0.666

0.737

0.260

Core temperature (℃)

C(n = 27)

36.4 ± 0.28

36.4 ± 0.28

36.4 ± 0.24

36.4 ± 0.26

36.3 ± 0.26

DL(n = 24)

36.5 ± 0.34

36.6 ± 0.37

36.6 ± 0.40

36.6 ± 0.39

36.5 ± 0.38

DH(n = 28)

36.5 ± 0.28

36.5 ± 0.25

36.5 ± 0.22

36.5 ± 0.19

36.5 ± 0.24

P

0.205

0.059

0.127

0.095

0.063

  1. Abbreviations: MAP mean arterial pressure, HR heart rate
  2. *P < 0.05, compared with group C. One-way analysis of variance for multiple groups of continuous variables