Dose-dependent effects of intravenous methoxamine infusion during hip-joint replacement surgery on postoperative cognitive dysfunction and blood TNF-α level in elderly patients: a randomized controlled trial

Table 3 Incidences of cardiovascular complications and duration of low blood pressure (LBP) during surgery in different groups

Group	HBP	LBP	Tachycardia	Bradycardia	Pulmonary edema	Accumulated duration of LBP, min
Group	n (%)					Accumulated duration of LBP, min
C	0 (0)	16 (21.3)	0 (0)	19 (25.3)	2 (2.7)	2.3 ± 0.5
M1	0 (0)	0 (0)^a	0 (0)	16 (21.3)	0 (0)^b	0^b
M2	0 (0)	0 (0)^a	0 (0)	18 (24.0)	0 (0)^b	0^b
M3	32 (42.6)^a	0 (0)^a	0 (0)	17 (22.7)	0 (0)^b	0^b

ISSN: 1471-2253