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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

From: 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

  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
  1. Abbreviations: aOR adjusted odds ratios, CI confidence intervals, DIDO door-in to door-out, mins minutes, N/A not applicable, Ref reference
  2. 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