Table 2.

Comparison of acute coronary syndromes in developed and developing countries in the study.

	NRMIa,b (9–12)	GRACEc (13–17)	GRACEd (18)	EHS 1 and 2e (19–21)	CREATEf (22)	Gulf RACEg (6)	Gulf RACE-2h (6)	SPACEi
Patients, n	2 515 106	102 341	31 982	16 183	20 937	8176	7930	5055
Mean age (years)	65–70	63–69	65	63	57	56	56	58
History of DM, %	17–35	20–30	26	21–27	30	40	40	58
STEMI, %	47	30–40	30	42–47	61	39	46	41
NSTEACS, %	53	60–70	70	48–51	39	61	54	59
Symptom onset to hospital arrival, median (min)	132–96j	140–120j	133	170–145j	300	NA	178	150
Door-to-needle time, median (min)	59–29j	40–30j	32	40–37j	50	45	39	52
Thrombolytic therapy, %	52–28j	41–16j	33	37–41j	59	82	66	69
Primary PCI, %	2.6–43j	15–44j	16	40–58j	8	8	22.3	17.5
In-hospital mortality,l %	8/5.2	5.4/2	6.2/4.6	5.3/2.5	5.6m	6.2/1.9	7/2.5	4.5/2
30-day mortality,l %	NA	8/3	NA	6.4/3.4	8.6/3.8	NA	9.9/5	NA
1-year mortality,l %	NA	14.8k,m	NA	7/5	NA	NA	11.5/7.7	NA

DM: Diabetes mellitus; STEMI: ST-segment elevation myocardial infarction; NSTEACS: non–ST-segment elevation myocardial infarction; NA: not available; PCI: percutaneous coronary intervention; GRACE: Global Registry of Acute Coronary Events; Gulf RACE: Gulf Registry of Acute Coronary Events; SPACE: Saudi project for assessment of coronary events;

^aDid not include patients with unstable angina.

^bNational registry of myocardial infarction in the USA.

^cGlobal Registry of Acute Coronary Syndromes.

^dExpanded Global Registry of Acute Coronary Syndromes.

^eEuropean Heart Surveys 1 and 2.

^fTreatment and outcomes of acute coronary syndromes in India.

^gGulf Registry of Acute Coronary Events.

^hGulf Registry of Acute Coronary Events-Phase 2.

ⁱSaudi Project for Assessment of Coronary Events (in press).

^jData reflect temporal trends chronologically over the years.

^kTotal mortality was derived from 1143 acute coronary syndrome patients enrolled in New Zealand.

^lSTEMI/NSTEACS.

^mTotal in-hospital mortality.