Quality indicator attainment before and during the COVID-19 pandemic for admissions with AMI
| QI (receipt or availability) | Before lockdown (n=225 994) | After lockdown (n=10 749) | All (n=236 743) | P value |
| Hospital use of hs-cTn for NSTEMI, % (n) | 70.4 (99 983) | 82.1 (5403) | 70.9 (105 386) | <0.001 |
| Pre-hospital interpretation of ECG for STEMI, % (n) | 76.6 (55 274) | 80.7 (2696) | 76.7 (57 970) | <0.001 |
| Reperfusion among eligible for STEMI, % (n) | 80.6 (64 931) | 80.3 (3268) | 80.6 (68 199) | <0.001 |
| Timely reperfusion for STEMI, % (n) | 80.1 (52 024) | 79.8 (2608) | 54 632 (80.10) | <0.001 |
| Invasive coronary angiography within 24 hours for NSTEMI, % (n) | 35.1 (24 208) | 49.1 (1811) | 35.8 (26 019) | <0.001 |
| Radial access for invasive procedures, % (n) | 87.6 (87 880) | 91.4 (3924) | 87.8 (91 804) | <0.001 |
| Median time (min) from ECG to arterial access* for STEMI, median (IQR) | 87.4 (65.5–118.0) | 91.8 (70.0–131.1) | 87.4 (65.5–120.1) | 0.017 |
| LVEF assessment before hospital discharge, % (n) | 62.3 (140 848) | 61.6 (6621) | 62.3 (147 469) | <0.001 |
| In-hospital measurement of LDL-C†, % (n) | 56.0 (126 619) | 61.5 (6613) | 56.3 (133 232) | <0.001 |
| Adequate P2Y12 inhibition on discharge, % (n) | 96.6 (165 723) | 97.7 (8062) | 96.6 (173 785) | <0.001 |
| Parenteral anticoagulation, % (n) | 82.9 (147 369) | 82.6 (6564) | 82.9 (153 933) | <0.001 |
| Dual antiplatelet therapy on discharge, % (n) | 95.5 (156 034) | 96.7 (7624) | 95.5 (163 658) | <0.001 |
| High-intensity statin on discharge‡, % (n) | 97.3 (168 402) | 97.6 (8118) | 97.3 (176 520) | <0.001 |
| ACEi for patients with reduced LVEF, % (n) | 96.7 (45 542) | 96.5 (2179) | 96.7 (47 721) | <0.001 |
| Beta blockers for patients with reduced LVEF, % (n) | 98.1 (48 352) | 98.3 (2260) | 98.1 (50 612) | <0.001 |
| Composite all-or-none, % (n) | 43.8 (98 968) | 45.2 (4863) | 43.9 (103 831) | <0.001 |
*Door to balloon time.
†Serum cholesterol.
‡Discharged on statin.
ACEi, angiotensin converting enzyme inhibitor; AMI, acute myocardial infarction; hscTn, high-sensitivity cardiac troponin; LDL-C, low-density lipoprotein cholesterol; LVEF, left ventricular ejection fraction; NSTEMI, non-ST segment elevation myocardial infarction; QI, quality indicator; STEMI, ST-segment elevation myocardial infarction.