Table 4.

CPU-diagnosis.

	Self-referral	Emergency medical services	p-value	OR (95% CI)
Number of patients	3789 (32.7%)	7792 (67.3%)
Leading coronary diagnosis
Acute coronary syndrome	30.3%	46.9%	< 0.0001	0.49 (0.45–0.53)
STEMI	2.4%	7.7%	< 0.0001	0.30 (0.24–0.37)
NSTEMI	9.3%	19.7%	< 0.0001	0.42 (0.37–0.47)
Unstable angina	18.6%	19.6%	0.20	0.94 (0.85–1.04)
Stable angina	9.7%	7.8%	< 0.001	1.27 (1.11–1.45)
Leading non-coronary diagnosis
Acute arrhythmias	20.2%	18.7%	0.07	1.10 (0.99–1.21)
Hypertensive crisis	8.5%	6.8%	< 0.05	1.27 (1.00–1.61)
Decompensated heart failure	2.7%	2.4%	0.55	1.13 (0.76–1.68)
Pulmonary embolism	0.9%	1.2%	0.23	0.78 (0.53–1.17)
Pericarditis/myocarditis	1.3%	0.9%	0.08	1.39 (0.96–2.01)
Aortic dissection	0.1%	0.2%	0.28	0.55 (0.18–1.65)
Pleuritis/pneumothorax	0.2%	0.3%	0.58	0.81 (0.37–1.74)
Tako Tsubo syndrome	0.0%	0.3%	< 0.05	Not available

OR: odds ratio; CI: confidence interval; STEMI: ST-elevation myocardial infarction; NSTEMI: non-ST-elevation myocardial infarction