Associations between disease severity, coping and dimensions of health-related quality of life in patients admitted for elective coronary angiography – a cross sectional study

Table 2 Demographic and clinical characteristics of study population

Variables	N = 753
	N	Mean (SD)	%
Age		61.7 (10.2)
Gender
Women			26
Men			74
Living alone	723		16
Education	718
Primary school			47
High school			33
>12 years/college/university			21
Smoking	735
No-smoker			33
Ex-smoker			45
Current smoker			22
Non-cardiac diseases/other health complaints	538		89
Diabetes Type I or II	751		10
Body mass index (BMI) kg/m²	751	26.8 (4.2)
CCS classification of angina ^a	752
Class 0 (no angina)			19
Class I			13
Class II			51
Class III			18
NYHA classification of dyspnea ^b	750
NYHA I (no dypnea)			66
NYHA II			26
NYHA III-IV			8
Coronary artery disease ^c
No			19
Yes			81
Left ventricular ejection fraction unit^d	663	64.6 (12.0)
HADS-anxiety	632	5.5 (4.0)
HADS-depression	632	3.9 (3.3)
Angina Frequency Scale (AFS)	682	62.7 (28.5)
Exertional Capacity Scale (ECS)	698	66.2 (18.9)
Social Function (SF)	725	74.6 (25.1)
General Health (GH)	715	58.1 (19.4)
Confrontive coping^e	549	1.44 (0.61)
Normalising optimistic coping^e	582	2.17 (0.54)
Combined emotive coping^e	590	0.89 (0.57)
Perception of living with angina pectoris	612	3.9 (1.4)
Overall quality of life	624	3.2 (1.3)

^a Canadian Cardiovascular Society classification
^b New York Heart Association
^c Angiographic diameter stenosis of at least 50% in at least one of the main coronary arteries or their major side branches
^d Left ventriculography was performed in 88% of the patients
^e Alternative mean (SD) scores for coping using a 0–100 scale: Confrontive coping: 47.9 (20.4), Normalising optimistic: 72.4 (18.1) and Combined emotive coping: 29.5 (18.9).

ISSN: 1477-7525