Increased Heart Rate Variability following Elective Percutaneous Coronary Intervention in Patients with Stable Coronary Artery Disease and Preprocedural Anxiety

Table 1

Subject characteristics.

Characteristics	n = 44
Age, means (SD)	62.2 (6.9)
Sex, n (%)
Male	34 (77.3)
Female	10 (22.7)
Education level, n (%)
Low-intermediate	19 (43.2)
High	25 (56.8)
Occupation, n (%)
Employee	6 (13.6)
Professional	20 (45.5)
Retired	6 (13.6)
Unemployed	12 (27.3)
History of revascularization (PCI), n (%)
Yes	35 (79.5)
No	9 (20.5)
Coronary artery involvement, n (%)
Single vessel disease	4 (9.1)
Multiple vessel disease	40 (90.9)
Diabetes, n (%)	21 (47.7)
Hypertension, n (%)	40 (90.9)
Smoking in the last 1 year, n (%)	5 (11.4)