Baseline characteristics of the analytic cohort by STEMI and NSTEMI for the adjusted mini-GRACE risk score
| Complete cases | Missing AMG variable (≥1) | |||
|---|---|---|---|---|
| STEMI (n=53196) | NSTEMI (n=83888) | STEMI (n=152065) | NSTEMI (n=206114) | |
| Age (years) (mean (SD)) | 66.3 (13.8) | 72.6 (13.3) | 66.5 (13.5) | 72.1 (13.0) |
| Systolic blood pressure (mm Hg) (mean (SD)) | 136.5 (28.8) | 141.7 (28.7) | 137.7 (29.6) | 141.3 (29.7) |
| Heart rate (bpm) (mean (SD)) | 79.0 (21.3) | 84.3 (23.6) | 78.8 (22.0) | 85.0 (24.4) |
| Cardiac arrest (n (%)) | 5315 (10.0) | 3158 (3.8) | 16411 (12.5) | 10043 (5.5) |
| Elevated cardiac enzyme (n (%))* | 51322 (96.5) | 79975 (95.3) | 146172 (96.1) | 200184 (97.1) |
| Electrocardiographic ST deviation (n (%)) | 49307 (92.7) | 24250 (28.9) | 133816 (92.5) | 50732 (30.2) |
| Creatinine >200 (μmol/l) (n (%)) | 1497 (2.8) | 4783 (5.7) | 512 (3.4) | 1327 (6.1) |
| Use of a loop diuretic (n (%)) | 10929 (20.5) | 28410 (33.9) | 22941 (24.0) | 53459 (37.2) |
| Female sex (n (%)) | 15803 (29.9) | 31715 (37.9) | 46356 (30.7) | 78788 (38.4) |
| Diabetes mellitus (n (%)) | 7004 (13.3) | 19569 (23.6) | 16977 (14.0) | 39174 (22.3) |
| Chronic renal failure (n (%)) | 1413 (2.7) | 6045 (7.3) | 2527 (2.2) | 9843 (5.9) |
| Chronic heart failure (n (%)) | 1295 (2.5) | 7377 (8.9) | 3317 (2.9) | 15380 (9.2) |
| 6 month mortality rate (95% CI) from admission (%) | 12.3 (12.0 to 12.6) | 15.6 (15.3 to 15.8) | 15.0 (14.8 to 15.2) | 17.9 (17.8 to 18.1) |
Missing data: the number of patients missing one or more adjusted mini-GRACE variables.
*Troponin >0.05 ng/ml.
AMG, adjusted mini-GRACE; GRACE, Global Registry of Acute Coronary Events; NSTEMI, non-ST elevation myocardial infarction; STEMI, ST elevation myocardial infarction.