Table 1 Demographic and perioperative data

Age (yr)

63 ± 10

59 ± 13

61 ± 11

0.79

Weight (kg)

76 ± 14

75 ± 12

79 ± 10

0.71

Height (cm)

176 (175–182)

179.5 (178–184)

178.50 (176–182)

0.65

Estimated blood loss (ml)

200 (200–600)

475 (100–600)

200 (100–500)

0.83

Duration of surgery (min)

153 ± 53

175 ± 84

188 ± 82

0.58

Fluids Crystalloids (ml.kg⁻¹)

26 ± 16

37 ± 23

26 ± 13

0.31

Fluids Colloids (ml.kg⁻¹)

10 ± 7

14 ± 11

10 ± 11

0.55

 Level of epidural catheter

T₆ (n = 2)

T₅ (n = 1)

NA

–

T₇ (n = 4)

T₆ (n = 4)

T₈ (n = 4)

T₇ (n = 4)

T₉ (n = 1)

 Upper Sensory level

T₂ (n = 1)

T₃ (n = 2)

NA

–

T₃ (n = 2)

T₄ (n = 5)

T₄ (n = 4)

T₅ (n = 3)

T₅ (n = 1)

T₆ (n = 1)

 Lower sensory level

T₈ (n = 4)

T₈ (n = 3)

NA

–

T₉ (n = 1)

T₉ (n = 3)

T₁₁ (n = 2)

T₁₀ (n = 3)

T₁₂ (n = 1)

T₁₁ (n = 1)

L₃ (n = 1)

 Total sensory levels blocked

7 (5–8)

6 (5–6)

NA

0.13

 Lobectomy

n = 8

n = 6

n = 8

–

 Mass resection

n = 2

n = 4

n = 1

–

 Thoracic wall tumour

–

–

n = 1

–

Side effects

–

 Orthostatic hypotension

n = 2

n = 1

–

 Nausea

–

n = 1

n = 1

 Pruritus

–

n = 1

n = 2

 Drowsiness

–

n = 1

SBP₁

119 ± 16

128 ± 18

129 ± 15

0.361

DBP₁

69 ± 10.31

73 ± 10

72 ± 12

0.393

HR₁

83 ± 7

78 ± 7

83 ± 11

0.431

SBP₃

122 ± 11

124 ± 24

128 ± 16

0.362

DBP₃

69 ± 7

69 ± 8

77 ± 22

0.679

HR₃

84 ± 5

83 ± 14

78 ± 32

0.827