Table 3.

Safety and prognosis between younger and elderly patients.

Events	Overall N = 341	Young (<80) N = 182	Elderly (≥80) N = 159	P-value
Procedure related complications	14 (4.1)	8 (4.4)	6 (3.8)	0.140
Lead fracture, n (%)	0	0	0	1.000
Lead dislodgement, n (%)	1 (0.3)	0	1 (0.6)	0.946
Atrial perforation, n (%)	1 (0.3)	0	1 (0.6)	0.946
Ventricular perforation, n (%)	0	0	0	1.000
Pocket hematoma, n (%)	3 (0.9)	2 (1.1)	1 (0.6)	0.565
Pocket infection, n (%)	4 (1.2)	4 (2.2)	0	0.169
Incision algesia, n (%)	1 (0.3)	1 (0.5)	0	0.946
Pericardial effusion, n (%)	5 (1.5)	1 (0.5)	4 (2.5)	0.291
MACE	32 (9.4)	13 (7.1)	19 (11.9)	0.157
Acute myocardial infarction, n (%)	4 (1.2)	0	4 (2.5)	0.099
Acute heart failure, n (%)	15 (4.4)	9 (4.9)	6 (3.8)	0.794
Ventricular fibrillation, n (%)	1 (0.3)	1 (0.5)	0	0.946
Cerebral infarction, n (%)	5 (1.5)	0	5 (3.1)	0.050
Subdural hemorrhage, n (%)	1 (0.3)	1 (0.5)	0	0.946
Pacemaker reimplantation, n (%)	1 (0.3)	1 (0.5)	0	0.946
Cardiac tamponade, n (%)	1 (0.3)	0	1 (0.6)	0.946
Death due to CVD, n (%)	4 (1.2)	1 (0.5)	3 (1.9)	0.522
Rehospitalization due to CVD, n(%)	44 (12.9)	22 (12.1)	22 (13.8)	0.321
All-cause mortality, n(%)	9 (2.6)	3 (1.6)	6 (3.8)	0.377

CVD, denotes cardiovascular disease; MACE, major adverse cardiocerebrovascular events.