Table 2.

Concomitant medications, timing information and invasive treatment details stratified by age

Variable	Age (years)				p Value
	<65 (n = 814)	65–75 (n = 454)	75–85 (n = 333)	≥85 (n = 49)
Pain-to-diagnosis time (min)	96 (52–198)	111 (60–213)	132 (68–240)	97 (47–303)	<0.0001
Diagnosis-to-balloon time (min)	100 (77–138)	109 (83–155)	109 (80–145)	110 (67–154)	0.010
Admission to cathlab-to-balloon time (min)	30 (20–41)	31 (21–45)	32 (23–44)	33 (20–47)	0.11
Pain-to-balloon time (min)	216 (150–329)	240 (165–377)	251 (168–379)	200 (155–425)	<0.0001
Clopidogrel pre-cathlab	33.7	32.8	28.8	22.4	0.19
Clopidogrel in the cathlab	46.7	46.9	48.3	36.7	0.38
Unfractionated heparin pre-cathlab	68.2	67.2	69.4	69.4	0.93
Unfractionated heparin in the cathlab	61.3	63.7	61.9	51	0.37
Abciximab pre-cathlab	43.5	46.9	42.9	34.7	0.12
Abciximab in the cathlab	23.5	21.2	17.7	26.5
No abciximab	33	31.9	39.4	38.8
Femoral access	86.4	84.4	88.3	87.8	0.45
IRA in baseline angiography
LMCA	1.2	0.2	0.6	2	0.15
LAD	42.1	45.2	48	46.9	0.30
LCX	13.3	11.9	11.1	10.2	0.71
RCA	42.4	40.1	38.1	40.8	0.59
Multi-vessel disease	42.5	55.1	64.3	75.5	<0.0001
Abandoned PCI	5.7	5.5	10.2	16.3	0.002
Immediate PCI	94.3	94.5	89.8	83.7
Number of patients undergoing immediate PCI (n)	768	429	299	41
Stent	94.8	93.5	88.6	82.9	0.001
Drug-eluting stent	27.9	24.5	19.7	9.8	0.005
>1 stent in IRA	21	20.4	23.4	26.5	0.85
Thrombectomy	12.2	11.7	10.4	12.2	0.86
Non-IRA PCI	4	5.4	5.7	4.9	0.55
PCI complications (no-reflow, distal embolization, side branch occlusion, artery perforation)	7.3	9.3	14.4	14.6	0.003
Intra-aortic balloon pumping	3.4	4.7	4.3	2.4	0.69

Values are presented as percentages or medians (inter-quartile range)

IRA infarct-related artery, LAD left anterior descending, LCX circumflex artery, LMCA left main coronary artery, PCI percutaneous coronary intervention, RCA right coronary artery