Table 2.

Associations with therapeutic decision (DES vs BMS)

	All patients			Patients with stable CAD			Patients with unstable CAD
	DES (%)/ OR	N	p value	DES (%)/ OR	N	p value	DES (%)/ OR	N	p value
Overall	66 %	442		66 %	358		68 %	84
Diagnosis			0.558
Stable CAD	66 %	358
Unstable angina	63 %	46
NSTEMI	74 %	38
Hospital			p  < 0.001			p  < 0.001			p  < 0.001
1	50 %	130		52 %	99		45 %	31
2	64 %	98		66 %	87		55 %	11
3	99 %	81		98 %	50		100 %	31
4	64 %	133		65 %	122		55 %	11
Baseline characteristics
Age (years)	1.008	442	0.387	1.005	358	0.682	1.023	84	0.272
Gender			0.474			0.46			0.872
Male	67 %	318		67 %	261		68 %	57
Female	64 %	124		63 %	97		67 %	27
SBP (mmHg)	1.007	442	0.188	1.003	358	0.598	1.022	84	0.074
DBP (mmHg)	0.998	442	0.815	0.997	358	0.767	1.001	84	0.968
BMI (kg/m 2)	1.038	442	0.128	1.049	358	0.08	0.994	84	0.912
TIMI scorea			0.085						0.085
1	71 %	7					71 %	7
2	80 %	15					80 %	15
3	48 %	25					48 %	25
4	83 %	23					83 %	23
5	60 %	10					60 %	10
6 + 7	100 %	3					100 %	3
NYHA			p  < 0.01			0.036			0.011
NYHA I	62 %	324		63 %	260		59 %	64
NYHA II	71 %	79		69 %	73		100 %	6
NYHA III & IV	90 %	39		88 %	25		93 %	14
Number of diseased vessels			p  < 0.01			p  < 0.01			0.102
1	58 %	196		58 %	166		57 %	30
> 1	73 %	246		72 %	192		74 %	54
Cardiac history
Previous heart failure			0.981			0.836			0.489
Yes	67 %	9		63 %	8		100 %	1
No	66 %	433		66 %	350		67 %	83
Previous MI			0.077			0.090			0.536
Yes	72 %	137		72 %	118		74 %	19
No	64 %	305		63 %	240		66 %	65
Previous PTCA			p  < 0.01			p  < 0.01			0.271
Yes	76 %	148		76 %	126		77 %	22
No	61 %	294		60 %	232		65 %	62
Previous CABG			0.541			0.736			0.433
Yes	61 %	31		63 %	27		50 %	4
No	67 %	411		66 %	331		69 %	80
Non-cardiac history
CVA/TIA			0.748			0.682			0.924
Yes	69 %	35		70 %	23		67 %	12
No	66 %	407		66 %	335		68 %	72
Pulmonary disease			0.103			0.142			0.445
Yes	56 %	47		55 %	35		58 %	12
No	68 %	395		36 %	323		69 %	72
PVD			0.086			0.124			0.445
Yes	56 %	57		56 %	45		58 %	12
No	68 %	385		67 %	313		69 %	72
Renal failure			0.059			0.126			0.144
Yes	43 %	14		46 %	13		0 %	1
No	67 %	428		67 %	345		69 %	83
Risk factors
Diabetes mellitus			p  < 0.001			p  < 0.001			0.009
Yes	93 %	95		92 %	78		94 %	17
No	59 %	347		59 %	280		61 %	67
Hypertension			0.306			0.498			0.324
Yes	68 %	290		67 %	240		72 %	50
No	63 %	152		63 %	118		62 %	34
Hyperlipidaemia			0.943			0.427			0.144
Yes	66 %	302		65 %	252		74 %	50
No	67 %	140		69 %	106		59 %	34
Current smokers			0.037			0.066			0.246
Yes	57 %	85		55 %	58		59 %	27
No	69 %	357		68 %	300		72 %	57
Pack yearsb	1.001	442	0.898	1.000	358	0.974	1.002	84	0.877

BMI body mass index, CABG coronary artery bypass graft, CAD coronary artery disease, CVA cerebrovascular accident, DBP diastolic blood pressure, MI myocardial infarction, NA not applicable, NSTEMI non ST elevation myocardial infarction, NYHA New York heart association, PTCA percutaneous transluminal coronary angioplasty, PVD peripheral vessel disease, SBP systolic blood pressure, TIA transient ischaemic attack, TIMI thrombolysis in myocardial infarction.

^aonly for unstable angina and NSTEMI.

^bNumber of packs per day multiplied with years of smoking.