Table 4

Average annual percentage changes in admission rates for 2002–2010 and 2011–2016 by classification status in acute coronary syndrome subtypes

Average annual % change (95% CI)
2002–2010*2011–2016
STEMI
 ICD coded−4.1 (−5.0, 3.1)0.7 (−1.1, 2.7)
 Diagnostic biomarker−3.4 (−4.6, 2.3)−0.2 (−2.2, 1.8)
 Diagnostic cTn/hs-cTn0.0 (−1.2, 1.3)−0.2 (−2.2, 1.8)
NSTEMI
 ICD coded8.0 (7.2, 8.9)−6.7 (−7.8, 5.6)
 Diagnostic biomarker8.0 (7.0, 9.0)−5.4 (−6.6, 4.2)
 Diagnostic cTn/hs-cTn9.9 (8.8, 10.9)−5.4 (−6.6, 4.2)
All MI
 ICD coded1.3 (0.7, 1.9)−4.9 (−5.9, 4.0)
 Diagnostic biomarker1.6 (0.9, 2.3)−4.1 (−5.1, 3.0)
 Diagnostic cTn/hs-cTn4.4 (3.7, 5.2)−4.1 (−5.1, 3.0)
UA
 ICD coded−8.7 (−9.3, 8.1)−14.1 (−15.5, 12.7)
 Non-diagnostic biomarker−8.8 (−9.6, 8.0)−14.5 (−16.2, 12.8)
 Non-diagnostic cTn/hs-cTn−3.7 (−4.5, 2.8)−14.5 (−16.2, 12.8)
  • All MIs include STEMI, NSTEMI and unspecified MI.

  • *Excludes 2006–2008 for non-ICD-coded trends.

  • hs-cTn, high-sensitivity cardiac troponin; ICD, International Classification of Diseases; MI, myocardial infarction; NSTEMI, non-STEMI; STEMI, ST-elevation MI; UA, unstable angina.