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Logistic regression with the results of backward selection
| Variable | Estimate | P |
| Intercept | +1.241 | < 0.0001 |
| LESP | -0.106 | < 0.0001 |
| IVV | -0.00019 | < 0.0001 |
| TVV | (rejected) | 0.43 |
| AL | (rejected) | 0.089 |
| OL | (rejected) | 0.79 |
| Concordant = 76.1% | ||
| Discordant = 23.6% | ||
| Tied = 0.3% |
