©2013 Baishideng Publishing Group Co.
World J Cardiol. Jun 26, 2013; 5(6): 196-206
Published online Jun 26, 2013. doi: 10.4330/wjc.v5.i6.196
Published online Jun 26, 2013. doi: 10.4330/wjc.v5.i6.196
Table 3 Description of derivation and validation samples
| Characteristic | Derivation sample (n = 1050) | Validation sample (n = 852) |
| Age (yr) | 67.9 ± 13.5 | 67.9 ± 13.6 |
| Male gender | 686 (64.7) | 578 (68.0) |
| Type of myocardial infarction | ||
| STEMI | 42.1% | 38.8% |
| NSTEMI | 57.9% | 61.2% |
| Diabetes mellitus | 380 (35.9) | 266 (31.2) |
| Previous hypertension | 796 (75.2) | 631 (74.2) |
| Hyperlipidemia | 59629 (56.3) | 475 (59.6) |
| Smoking habits | 287 (27.1) | 281 (33.1) |
| Previously known coronary disease | 283 (26.7) | 243 (28.6) |
| History of stroke/TIA | 94 (9.0) | 77 (9.1) |
| Atrial fibrillation at admission | 144 (13.7) | 99 (12.4) |
| Admission killip class | 1.40 ± 0.6 | 1.36 ± 0.7 |
| Maximum killip class | 1.56 ± 0.8 | 1.46 ± 0.8 |
| Average number of vessels with significant lesions | 1.60 ± 0.97 | 1.54 ± 0.99 |
| GFR at admission | 68.6 ± 38.4 | 72.6 ± 32.0 |
| BUN at admission (mmol/L) | 9.58 ± 6.81 | 8.85 ± 6.20 |
| Hemoglobin at admission (mg/dL) | 13.3 ± 2.1 | 13.8 ± 6.14 |
| NT-proBNP at admission (ng/L) | 4202 ± 13400 | 6393 ± 15950 |
| Submitted to revascularization procedures | 645 (61.4) | 663 (77.8) |
| Clinically significant bleeding during hospitalization | 87 (8.3) | 55 (6.5) |
| Average GRACE score for intrahospital mortality | 153.9 (P25 124; P50 151; P75 179) | 145.6 (P25 114; P50 143; P75 173) |
| Average GRACE score for 6-mo mortality | 128.0 (P25 102; P50 125; P75 149) | 121.0 (P25 94; P50 118; P75 145) |
| Moderate-severe left ventricular systolic dysfunction | 19.50% | 23.00% |
| Discharged on dual anti-platelet therapy | 818 (89.2) | 723 (90.6) |
| Discharged on anticoagulant treatment | 36 (3.9) | 37 (4.6) |
| Intrahospital mortality | 8.60% | 6.10% |
| Post-discharge mortality (mo) | 165 (16.5) (Follow-up: 19.9 ± 6.7) | 88 (11.0) (Follow-up: 13.4 ± 8.1) |
| Bleeding events during follow-up (mo) | 62 (6.8) (Follow-up: 19.9 ± 6.7) | 60 (7.5) (Follow-up: 13.4 ± 8.1) |
- Citation: Barra S, Providência R, Caetano F, Almeida I, Paiva L, Dinis P, Leitão Marques A. BLEED-Myocardial Infarction Score: Predicting mid-term post-discharge bleeding events. World J Cardiol 2013; 5(6): 196-206
- URL: https://www.wjgnet.com/1949-8462/full/v5/i6/196.htm
- DOI: https://dx.doi.org/10.4330/wjc.v5.i6.196