Table 2.

Detail of anesthesia procedure and treatment for hypotension

		Group N	Group L	P value
General anesthesia	N = 120	N = 13	N = 107
Use of inhalation agent	N (%)	7 (54)	60 (56)	1.00
Dose of propofol	mg	100 [55, 110]	80 [60, 80]	0.34
Target concentration	μg/ml	3 [3, 3]	3 [3, 3.4]	0.33
Use of fentanyl	N (%)	8 (62)	65 (61)	1.00
Dose of fentanyl	μg	175 [100, 200]	100 [100, 200]	0.29
Use of remifentanil	N (%)	11 (85)	90 (84)	0.40
Dose of remifentanil	mg/hr	1.0 [0.4, 1.25]	0.6 [0.5, 1.00]	0.70
Spinal anesthesia	N = 52	N = 38	N = 14
Use of hyperbaric bupivacaine	N (%)	35 (92)	12 (86)	0.60
Dose of bupivacaine	ml	2.5 [2.4, 2.8]	2.4 [2.2, 2.7]	0.51
Overall	N = 172	N = 51	N = 121
Minimum systolic BP	mmHg	97 [86, 109]	68 [60, 75]	< 0.001*
Minimum mean BP	mmHg	68 [63, 78]	49 [44, 55]	< 0.001*
Minimum heart rate	beats/min	75 [68, 86]	68 [58, 79]	0.003*
Use of ephedrine	N (%)	25 (49)	105 (87)	< 0.001*
Dose of ephedrine	mg	8 [4, 12]	12 [8, 20]	< 0.001*
Use of phenylephrine	N (%)	6 (12)	46 (38)	< 0.001*
Dose of phenylephrine	mg	0.1 [0.1, 0.1]	0.3 [0.2, 0.5]	0.002*
Use of dopamine	N (%)	2 (4)	7 (6)	1.00
Use of noradrenaline	N (%)	0 (0)	12 (10)	0.02*
Use of adrenaline	N (%)	0 (0)	2 (2)	1.00

Dose of propofol, fentanyl, and remifentanil and target concentration of propofol for anesthetic induction were presented.

N number, BP blood pressure

*p < 0.05