Age-Related Differences in the Effect of Psychological Distress on Mortality: Type D Personality in Younger versus Older Patients with Cardiac Arrhythmias
Table 1
Characteristics of study population, stratified by age ≤/> 70 years.
Characteristics
Age ≤ 70
Age > 70
P value
Demographic
Age (years; mean ± SD)
0.0001
No partner
11% (49)
22% (29)
0.001
Male gender
81% (368)
81% (108)
0.94
Personality
Type D personality
23% (105)
22% (29)
0.73
Mortality
All-cause death
13% (60)
25% (34)
0.001
Cardiac death
9% (42)
19% (25)
0.003
ICD treatment
LVEF ≤ 35%
80% (364)
92% (123)
0.002
CRT therapy
26% (120)
41% (55)
0.001
Primary indication ICD
63% (289)
67% (90)
0.44
Appropriate shocks FU
10% (47)
10% (14)
0.97
Inappropriate shocks FU
4% (20)
6% (8)
0.45
Medical covariates
Diagnosis of CAD
71% (325)
77% (103)
0.21
Beta-blocker therapy
82% (375)
79% (106)
0.38
ACE-inhibitor therapy
67% (306)
70% (94)
0.53
Diabetes
18% (82)
22% (29)
0.35
Smoking
20% (89)
13% (17)
0.07
CAD: coronary artery disease; CRT: cardiac resynchronization therapy; LVEF: left ventricular ejection fraction; SD: standard deviation.
