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Table 4 Median delays (inter-quartile range) in regular vs. off-hours

From: Trends in treatment delays for patients with acute ST-elevation myocardial infarction treated with primary percutaneous coronary intervention

  HUS-STEMI I HUS-STEMI II
  Regular hours Off-hours   Regular hours Off-hours  
  n = 72 n = 108 p n = 123 n = 178 p
Patient delay 113 (41–246) 109 (42–221) 0.972 117 (38–243) 110.5 (48–246) 0.612
EMS delay 83 (60–112) 80 (62–121) 0.669 64 (47–89) 68.5 (52–94) 0.270
Door-to-balloon time 37 (25–63) 31 (21–60) 0.464 40 (29–61) 57.5 (34–87) 0.001
System delay 120.5 (92–152) 118.5 (92–174) 0.945 111 (87–166) 127 (105–182) 0.009
Total ischemic time 227.5 (161–398) 255 (159–429) 0.597 263.5 (150–407) 290 (189–439) 0.064
  1. EMS, emergency medical system.