Table 2. Case fatality rate of patients with acute myocardial infarction in 253 chest pain centers in China, 2019–2020.
| Variable | Case fatality rate (%) | ||
| 30-day | 60-day | 90-day | |
| Notes: Grade II hospitals are generally affiliated with medium size cities, counties, or districts and contain 100–500 beds. Grade III hospitals are generally located in major cities with more than 500 beds and offer the highest-quality care.
Abbreviations: MI=myocardial infarction; STEMI=ST-segment-elevation myocardial infarction; NSTEMI=non-ST-segment-elevation myocardial infarction; CVD=cardiovascular disease; COPD=chronic obstructive pulmonary disease. | |||
| Total | 5.9 | 6.9 | 7.6 |
| Year | |||
| 2019 | 4.6 | 5.8 | 6.7 |
| 2020 | 6.4 | 7.4 | 7.8 |
| Age group (years) | |||
| < 45 | 1.9 | 2.1 | 2.2 |
| 45–65 | 3.1 | 3.5 | 3.9 |
| > 65 | 9.6 | 11.2 | 12.4 |
| Sex | |||
| Male | 4.7 | 5.5 | 6.1 |
| Female | 9.4 | 10.9 | 12.0 |
| Type of MI | |||
| STEMI | 6.6 | 7.6 | 8.2 |
| NSTEMI | 4.7 | 5.8 | 6.6 |
| Risk factors | |||
| Hypertension | 5.8 | 6.9 | 7.6 |
| Hyperlipidemia | 3.5 | 4.3 | 4.8 |
| Current smoking | 3.5 | 4.1 | 4.6 |
| Obesity | 5.3 | 6.1 | 6.8 |
| Family history of CVD | 4.8 | 6.0 | 6.7 |
| Comorbidity | |||
| Stroke | 8.4 | 10.2 | 11.6 |
| COPD | 8.1 | 10.4 | 12.5 |
| Cancer | 13.7 | 16.9 | 18.5 |
| Diabetes mellitus | 6.7 | 7.9 | 8.6 |
| Hospital level | |||
| Grade Ⅱ | 7.0 | 8.2 | 9.2 |
| Grade Ⅲ | 5.4 | 6.3 | 6.9 |