Table 1.

Demographic, PCI, and EST characteristics of early and deferred EST groups.

Baseline variables	Early EST (n=230)	Deferred EST (n=443 )	Significance (p value)
Mean age (years)	56 ± 10	56 ± 11	0.92
Male gender (%)	83	88	0.06
Body mass index	28 ± 4.3	28 ± 4.5	0.33
Diabetes (%)	19	22	0.16
Smoking (%)	41	43	0.30
Beta blocker (%)	78	75	0.27
Abciximab (%)	65	77	<0.01
Multivessel disease (%)	53	47	0.10
>1 vessel stented (%)	2.6	7.4	<0.01
>1 stent used (%)	26	31	0.09
Total stent length per patient (mm)	22 ± 10	25 ± 14	0.05
Mean stent diameter (mm)	3.1 ± 0.9	3.1 ± 0.6	0.67
Drug eluting stents (%)	10	35	<0.01
LVEF (%)	49 ± 11	50 ± 11	0.06
Time to EST (days)	4.9 ± 1.4	21.4 ± 14.6	<0.01
% of PredMax HR achieved	84 ± 11	84 ± 13	0.93
METS achieved	8.1 ± 2.3	8.3 ± 2.7	0.79
Positive test (%)	12.2	5.6	<0.01

LVEF, left ventricular ejection fraction; mm, millimetres; b.p.m, beats per minute; PredMax, Predicted Maximum; HR, heart rate