Smoking status and survival: impact on mortality of continuing to smoke one year after the angiographic diagnosis of coronary artery disease, a prospective cohort study

Table 2 Baseline characteristics stratified by treatment (Cohort A )

Clinical characteristics	Medical	Revascularization	p-value
No. (%)	2326 (20.5)	9008 (79.5)
BMI, Mean (SD)	28.8 (5.6)	28.8 (5.1)
Age, Mean (SD)	65.5 (10.8)	64.2 (10.7)	<0.001
Female (%)	24.9	21.1	<0.001
Current smoker (%)	19.6	23.6	<0.001
Diabetes Mellitus (%)	26.9	20.9	<0.001
Hyperlipidemia (%)	78.9	78.6
Pulmonary disease (%)	16.3	12.1	<0.001
Heart Failure (%)	13.7	7.5	<0.001
Hypertension (%)	72.8	67.6	<0.001
CVD (%)	7.5	5.0	<0.001
PVD (%)	8.5	5.6	<0.001
ST-Elevated MI (%)	11.7	28.9	<0.001
Non ST-Elevated MI (%)	19.1	24.8	<0.001
Prior MI (%)	28.3	21.6	<0.001
Prior PCI (%)	5.7	4.1	0.001
Prior CABG (%)	7.2	2.1	<0.001
Prior lytic (%)	2.6	7.0	<0.001
ACS (%)	42.8	64.1	<0.001
Indication for angiography (%)			<0.001
Acute/recent MI	26.7	48.1
Unstable angina	17.4	17.9
Stable angina	48.1	30.1
Other*	7.8	3.9
Priority to angiography (%)			<0.001
Emergency	2.2	14.2
Urgent in hospital	45.5	51.0
Urgent out of hospital	16.8	12.3
Planned	35.4	21.4
Unknown	0.2	1.0
Ejection fraction (%)			<0.001
>50%	62.0	61.0
35-50%	16.0	19.3
20-34%	6.0	3.2
<20%	2.0	0.6
Not done	13.9	15.9
Coronary Anatomy (%)			<0.001
Normal	0.2	0.0
<50% disease	0.3	0.1
Low risk (1–2 VD)	65.5	52.4
High Risk (2–3 VD)	28.6	37.1
Left Main disease	5.4	10.3

SD: Standard deviation, BMI: body mass index, CVD: Cerebrovascular disease, PVD: Peripheral vascular disease, MI: myocardial infarction, PCI: Percutaneous Coronary Intervention, CABG: Coronary Artery Bypass Grafting, ACS: Acute coronary syndrome, VD: vessel disease. *Other include silence ischemia, evaluation of serious arrhythmia, preoperative assessment, research protocol angiography.

ISSN: 1471-2261