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Correlation of the door-to-balloon time with patients characteristics described as numerical variables
| Correlation coefficient (Spearman) | p value | |
| Demographic characteristics | ||
| Age | - 0.07 | 0.63 |
| Creatinine | - 0.02 | 0.89 |
| Presentation of infarction | ||
| Time of onset of symptoms | 0.45 | 0.001 |
| Magnitude of ST elevation | 0.03 | 0.87 |
| GRACE score | - 0.10 | 0.51 |
