Table 4

Univariable and multivariable Cox proportional hazards analysis for future non-fatal myocardial infarction within 1 year in the APACE cohort

	Univariable		Multivariable
	HR	P value	HR	P value
Unstable angina	1 (Reference)		1 (Reference)
NSTEMI	0.73 (0.48–1.11)	0.136	0.77 (0.50–1.19)	0.233
NCCP	0.04 (0.02–0.09)	<0.001	0.09 (0.04–0.17)	<0.001
STEMI	0.13 (0.03–0.53)	0.005	0.18 (0.04–0.74)	0.018
Cardiac, other	0.17 (0.09–0.33)	<0.001	0.24 (0.12–0.49)	<0.001
Unknown	0.16 (0.06–0.40)	<0.001	0.18 (0.07–0.46)	<0.001
Age (years)			1.03 (1.01–1.04)	0.003
Sex—female			0.72 (0.46–1.15)	0.168
Known CAD			2.50 (1.30–4.83)	0.006
Prior myocardial infarction			1.05 (0.64–1.73)	0.850
Prior revascularisation			0.60 (0.35–1.02)	0.059
Hypertension			2.10 (1.04–4.24)	0.039
Hypercholesterolaemia			0.91 (0.56–1.47)	0.698
Diabetes mellitus			1.36 (0.92–2.01)	0.126
Current smoker			1.55 (0.96–2.50)	0.075

Final adjudicated diagnoses are compared with unstable angina as reference.
APACE, Advantageous Predictors of Acute Coronary Syndromes Evaluation; CAD, coronary artery disease; NCCP, non cardiac chest pain; NSTEMI, non ST-segment elevation myocardial infarction; STEMI, ST segment elevation myocardial infarction.