Table 1.

Baseline characteristics.

	Total NSTEMI⁎
	UK†	Sweden	US‡
Number of patients	137,009	45,069	147,438
Number of participating hospitals	236	74	500
Demographics
Age, years, median (interquartile range)	73 (62–82)	73 (64–82)	67 (56–78)
Female sex, %	37.5	37.6	38.7
Risk factors
Current smoker, %	23	19.6	29.6
Diabetes, %	21.7	25.0	35.4
Hypertension, %	53.1	50.6	76.3
History of cardiovascular disease
Heart failure, %	7.0	11.5	16.9
Myocardial infarction, %	22.8	27.8	28.8
Treatment prior to hospital admission
Single antiplatelet, %	30.4	42.2	39.4
Dual antiplatelet, %	4.3	4.4	13.4
Betablocker, %	28.8	44.4	44.2
ACEI§ or ARB║, %	38.3	37.3	42.5
Statin, %	44.8	32.3	43.5
PCI¶, %	7.5	12.3	25.0
CABG#, %	7.2	10.4	19.0

^⁎NSTEMI = non-ST segment elevation myocardial infarction.

^†UK = United Kingdom (England and Wales).

^‡US = United States.

^§ACEI = Angiotensin converting enzyme inhibitor.

^║ARB = Angiotensin receptor blocker.

^¶PCI = Percutaneous coronary intervention

^#CABG = Coronary artery bypass grafting.