Table 2 Operation data of the paravertebral block and control groups

Surgical time (hours)

2.9 ± 0.9

3.0 ± 1.1

-0.2 (-0.6, 0.3)

0.518

Baseline HR (bpm)

77 ± 9

76 ± 8

2 (-2, 5)

0.393

Baseline MAP (mmHg)

91 ± 8

93 ± 9

-2 (-6, 2)

0.350

Mean HR (bpm)

76 ± 11

71 ± 10

5 (0, 9)

0.053

Mean MBP (mmHg)

89 ± 8

93 ± 9

-4 (-8, 0)

0.031*

Mean Sevoflurane (MAC)

1.1 ± 0.2

1.2 ± 0.2

-0.1 (-0.2, 0.0)

0.020*

Awake time (min)

8 ± 5

8 ± 5

0 (-2, 2)

0.961

Extubation time (min)

12 ± 6

10 ± 6

2 (-1, 4)

0.181

Fentanyl (μg)

332 ± 107

371 ± 125

-40 (-93, 13)

0.140

Ephedrine (mg)

6 (6, 16)

6 (0, 7)

6 (0,6)

0.004*

Phenylephrine (ug)

0 (0, 25)

0 (0, 0)

0 (0,0)

0.255

Urapidil (mg)

0 (0, 0)

0 (0, 0)

0 (0,0)

0.301

Atropine (mg)

0 (0, 0)

0 (0, 0)

0 (0,0)

0.089

Crystalloid (ml)

1800 (1525, 2300)

1800 (1300, 1925)

400 (0, 500)

0.024*

Colloid (ml)

0 (0, 500)

500 (0, 500)

0 (0,0)

0.595

RBC (U)

0 (0, 0)

0 (0, 1)

0 (0,0)

0.781

Plasma (ml)

0 (0, 0)

0 (0, 0)

0 (0,0)

0.838

Urine (ml)

675 (375, 1125)

350 (200, 600)

300 (100, 500)

0.002*

Hemorrhage (ml)

275 (100, 400)

200 (139, 425)

0 (-100, 100)

0.805