Table 1

Comparison of ST-segment elevation myocardial infarction (STEMI) admissions: 2020 study cohort versus 2019 control cohort: demographic and primary percutaneous coronary intervention (PPCI) pathway characteristics

2020 study cohort2019 control cohortP valueOR (95% CI)
(n=348)(n=440)
Baseline demographic characteristics
 Age (years)63 (55–71)63 (55–73)0.36
 Male sex278 (80%)343 (78%)0.51
 Diabetes86 (24.7%)106 (24.1%)0.87
 Hypertension178 (51.2%)217 (49.3%)0.61
 Hyperlipidaemia124 (35.6%)154 (35%)0.85
 Smoking145 (41.6%)245 (55.7%)<0.001*
 Previous myocardial infarction43 (12.4%)60 (13.6%)0.61
 Stroke11 (3.2%)18 (4.1%)0.53
 Previous PCI43 (12.4%)63 (14.3%)0.42
 Previous CABG4 (1.2%)12 (2.7%)0.12
 Peripheral vascular disease10 (2.9%)8 (1.8%)0.32
 Renal disease12 (3.5%)13 (3%)0.69
 Family history of IHD41 (11.8%)65 (14.8%)0.22
PPCI pathway characteristics
 Pain—First call (min)82 (30–360)90 (22–269)0.58
 First call—Door (min)87 (62–118)75 (57–95)0.001*
 Door—Balloon (min)48 (34–65)48 (35–70)0.35
 Total ischaemic time (min)282 (173–618)246 (157–536)0.049*
 Out of hospital cardiac arrest10.8% (38)8.9% (39)0.361.24 (0.78 to 1.98)
  • Baseline demographic characteristics and PPCI pathway timings of patients with STEMI admitted during the study periods in 2020 versus 2019.

  • *Denotes statistical significance (p<0.05).