Table 5. Comparison of blood pressure data between our groups.

Systolic hypotension was defined as <120 mmHg, and diastolic hypotension was defined as <90 mmHg [16].

CEA: continuous epidural analgesia, CPNB: continuous peripheral nerve block

	Postoperative day	CEA group (n = 41)	CPNB group (n = 36)	P-value
Systolic hypotension	0	27 (65.9%)	34 (94.4%)	0.01
	1	6 (14.6%)	2 (5.6%)
	2	5 (12.2%)	0
	3	3 (7.3%)	0
	Overall (days)	0.61 ± 0.97	0.06 ± 0.23	0.0009
Diastolic hypotension	0	5 (12.2%)	13 (36.1%)	0.04
	1	12 (29.3%)	12 (33.3%)
	2	11 (26.8%)	9 (25%)
	3	9 (22%)	2 (2.6%)
	4	3 (7.3%)	0
	5	1 (2.4%)	0
	Overall (days)	1.90 ± 1.24	1.00 ± 0.93	0.0006