Table 2.

ORs (multivariate analysis) for OAP treatment initiation within 7 days of discharge after the index ACS event

	OR	95% CI	p Value
Age at index (years) vs ≤65
>65 to ≤75	1.02	0.94 to 1.10	0.693
>75 to ≤85	0.86	0.79 to 0.95	0.002
>85	0.57	0.52 to 0.64	<0.001
Women vs men	0.82	0.79 to 0.87	<0.001
Type of index ACS event vs unstable angina pectoris
STEMI	2.63	2.45 to 2.82	<0.001
NSTEMI	1.66	1.56 to 1.76	<0.001
Invasive procedure vs none (during the total index event hospitalisation)
Coronary angiography only	2.09	1.96 to 2.22	<0.001
PCI	19.51	18.31 to 20.79	<0.001
CABG	0.28	0.25 to 0.31	<0.001
Comorbidity history yes vs no
Previous ACS event	1.14	1.03 to 1.27	0.011
Previous invasive evaluation/treatment	1.02	0.93 to 1.11	0.629
OAP use at baseline	3.69	3.30 to 4.13	<0.001
Heart failure	0.78	0.71 to 0.85	<0.001
Hypertension	0.98	0.91 to 1.05	0.541
Hyperlipidaemia	1.05	0.99 to 1.12	0.106
Stroke	0.86	0.78 to 0.95	0.002
Major bleedings	0.71	0.63 to 0.80	<0.001
Atrial fibrillation	0.62	0.53 to 0.74	<0.001
Warfarin use at baseline	0.62	0.55 to 0.69	<0.001
Diabetes mellitus	0.92	0.84 to 1.01	0.086
Dementia/Alzheimer's disease	0.51	0.44 to 0.59	<0.001
Charlson Comorbidity Index vs 0
1	1.12	0.98 to 1.27	0.100
2	1.02	0.90 to 1.17	0.726
3 to 5	0.77	0.67 to 0.89	<0.001
6 to 9	0.62	0.52 to 0.73	<0.001
≥10	0.64	0.46 to 0.90	0.010
Cohort entry year vs 2009
2010	0.84	0.79 to 0.91	<0.001
2011	1.61	1.50 to 1.72	<0.001
2012	1.53	1.42 to 1.64	<0.001
2013	1.67	1.55 to 1.79	<0.001

ACS, acute coronary syndrome; CABG, coronary artery bypass grafting; NSTEMI, non-ST elevation myocardial infarction; OAP, oral antiplatelet; PCI, percutaneous coronary intervention; STEMI, ST elevation myocardial infarction.