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Table 4 Guideline-adherent CA timing within 24 h contrasting NSTEMI patients with final diagnosis after the first versus the second cTn control

From: How rapid is rapid? Exemplary results of real-life rapid rule-out troponin timing in troponin-positive acute coronary syndromes without persistent ST-segment elevation in two contrasting German chest pain unit facilities

Percentage of CA in time Overall (%) Site I (%) Site II (%) p value
NSTEMI ensured by the 1st control (h)
 Overall 59.1 52.5 64.6 0.76
 Group (a) 57.7 50.0 65.4 0.81
 Group (b) 62.5 NA 62.5 NA
 Group (c) 60.0 57.1 66.7 0.90
NSTEMI ensured by the 2nd control (h)
 Overall 62.5 50.0 66.7 Omitted to due remaining small sample size
 Group (a) 66.7 50.0 75.0
 Group (b) 50.0 NA 50.0
 Group (c) NA
  1. site I centre of maximum care in an urban university setting (University Hospital Münster); site II centre of primary care in a rural regional setting (Arnsberg Medical Center)
  2. subgroups: a–c myocardial infarction without persistent ST-segment elevation (NSTEMI), CA coronary angiography, cTn cardiac troponin
  3. * Statistically significant