Factors associated with door-in to door-out delays among ST-segment elevation myocardial infarction (STEMI) patients transferred for primary percutaneous coronary intervention: a population-based cohort study in Ontario, Canada

Table 2 Association between door-in to door-out times and 30-day all-cause mortality amongst patients transferred for primary percutaneous coronary intervention, Ontario, Canada, 2012

	Number of events / Patient population	Crude 30-day mortality rate (%)	aOR (95% CI)^a
DIDO time (mins)
≤ 30 (timely)	8/194	4.1	Ref.
31–60	17/ 333	5.1	1.05 (0.38–2.89)
61–90	12/145	8.3	1.73 (0.58–5.09)
> 90	34/294	11.6	2.82 (1.10–7.19)
Overall	71/966	7.3	N/A

Abbreviations: aOR adjusted odds ratios, CI confidence intervals, DIDO door-in to door-out, mins minutes, N/A not applicable, Ref reference
^aLogistic regression model was adjusted for patient demographics, traditional cardiac risk factors and co-morbidities, presenting features, symptom-to-FMC time, pre-hospital ECG status and times for process-of-care measures

ISSN: 1471-2261