Table 3 Multivariate regression model depicting variables significantly associated with having an abnormal brain CT
Term | Estimate | Std Error | Chi-Square | P-value | Lower 95% | Upper 95% | Odds ratio | Lower 95% | Upper 95% | Reci-procal |
|---|---|---|---|---|---|---|---|---|---|---|
Age | 0.0385 | 0.0023 | 272.99 | < 0.0001 | 0.0339 | 0.0430 | 1.0392 | 1.0345 | 1.0440 | 0.9622 |
Sex | 0.4749 | 0.1033 | 21.14 | < 0.0001 | 0.2725 | 0.6774 | 1.6079 | 1.3132 | 1.9688 | 0.6219 |
Associated vomiting | 0.6406 | 0.1966 | 10.62 | 0.0011 | 0.2553 | 1.0259 | 1.8975 | 1.2908 | 2.7895 | 0.5270 |
Associated seizure | 0.5202 | 0.3282 | 2.51 | 0.1130 | -0.1232 | 1.1635 | 1.6823 | 0.8841 | 3.2010 | 0.5944 |
Loss of consciousness | 0.1575 | 0.0771 | 4.17 | 0.0411 | 0.0064 | 0.3086 | 1.1706 | 1.0064 | 1.3616 | 0.8543 |
Alteration of consciousness | 0.2143 | 0.0834 | 6.60 | 0.0102 | 0.0509 | 0.3778 | 1.2390 | 1.0522 | 1.4591 | 0.8071 |
Post Traumatic Amnesia | 0.0847 | 0.0852 | 0.99 | 0.3203 | -0.0824 | 0.2518 | 1.0884 | 0.9209 | 1.2863 | 0.9188 |
GCS score in the ED | -0.6211 | 0.1047 | 35.17 | < 0.0001 | -0.8264 | -0.4159 | 0.5373 | 0.4376 | 0.6598 | 1.8611 |