Predictors of failed thrombolysis
| Predictors | Univariate logistic regression | Multivariate logistic regression | ||
|---|---|---|---|---|
| RR (95% CI) | p Value | RR (95% CI) | p Value | |
| Age (per decade) | 1.2 (1.1 to 1.4) | 0.01 | 1 (0.8 to 1.3) | 0.8 |
| Current cigarette smoking | 0.6 (0.4 to 0.8) | <0.001 | 0.6 (0.4 to 0.9) | 0.006 |
| Diabetes mellitus | 1.8 (1.3 to 2.4) | <0.001 | 1.5 (1.1 to 2.2) | 0.02 |
| Magnitude of maximal ST segment (mm) | 0.7 (0.6 to 0.8) | <0.001 | 0.9 (0.8 to 1.1) | 0.3 |
| Time from onset of symptoms to initiation of thrombolysis (h) | 1.9 (1.7 to 2.2) | <0.001 | 1.7 (1.5 to 2) | <0.001 |
| Cardiac troponin by tertiles | ||||
| Highest vs middle third | 1.7 (1.4 to 2) | <0.001 | 1.5 (1.1 to 1.8) | 0.004 |
| Highest vs lowest third | 2.5 (2.1 to 3) | <0.001 | 2.2 (1.9 to 3.5) | <0.001 |
| Middle vs lowest third | 1.5 (1.3 to 1.8) | <0.001 | 1.5 (1.2 to 1.8) | 0.001 |
| High-sensitivity C reactive protein by tertiles | ||||
| Highest vs middle third | 2 (1.7 to 2.4) | <0.001 | 2 (1.6 to 2.2) | <0.001 |
| Highest vs lowest third | 3 (2.5 to 3.6) | <0.001 | 2.6 (2.1 to 3.5) | <0.001 |
| Middle vs lowest third | 1.3 (1.1 to 1.7) | 0.01 | 1.3 (1.2 to 1.7) | 0.02 |