Summary of logistic regression analysis of kinematic injury predictors, significantly associated with concussion (p<0.001), ranked using the likelihood ratio test, pseudo-R2 and percentage correct classification statistics
| Variable | −2 Log likelihood ratio | Nagelkerke Pseudo-R2 | Percentage correct Classification (%) | Concussion likelihood values | ||
|---|---|---|---|---|---|---|
| χ2 | p Value | 50% | 75% | |||
| Angular acceleration (coronal plane) | 26.8 | <0.001 | 0.68 | 92.5 | 1747 rad/s2 | 2296 rad/s2 |
| Angular velocity (resultant) | 21.9 | <0.001 | 0.59 | 80.0 | 22.2 rad/s | 27.5 rad/s |
| Angular velocity (coronal plane) | 18.8 | <0.001 | 0.52 | 85.0 | 10.8 rad/s | 15.9 rad/s |
| Linear acceleration (resultant) | 14.8 | <0.001 | 0.43 | 82.5 | 65.1 g | 88.5 g |
| Linear acceleration (inferior component) | 14.1 | <0.001 | 0.41 | 77.5 | 12.3 g | 20.7 g |
| Angular acceleration (transverse plane) | 12.3 | <0.001 | 0.37 | 80.0 | 1909 rad/s2 | 3008 rad/s2 |
| Angular acceleration (resultant) | 10.2 | <0.001 | 0.31 | 82.5 | 3958 rad/s2 | 6633 rad/s2 |