Table 2. Univariate regression analysis.
| Independent variable | Dependent variable | Odds ratio estimates | Likelihood ratio (chi-square) | P value | ||
| Point estimate | 95% Wald confidence limits | |||||
| Age | RHR | 0.983 | 0.935 | 1.033 | 0.442 | 0.506 |
| GOS | 1.112 | 0.950 | 1.303 | 3.110 | 0.078 | |
| Gender | RHR | 2.100 | 0.399 | 11.066 | 0.742 | 0.389 |
| GOS | 5.636 | 0.464 | 68.464 | 1.981 | 0.159 | |
| GCS | RHR (F) | 0.849 | 0.227 | 3.175 | 0.061 | 0.805 |
| GOS | 0.668 | 0.097 | 4.619 | 0.164 | 0.689 | |
| Markwalder | RHR | 1.249 | 0.242 | 6.455 | 0.073 | 0.787 |
| GOS (F) | 3.102 | 0.167 | 57.700 | 0.736 | 0.391 | |
| ND | RHR | 0.833 | 0.164 | 4.239 | 0.048 | 0.826 |
| GOS (F) | 0.143 | 0.006 | 3.149 | 2.339 | 0.126 | |
| Na | RHR | 1.064 | 0.663 | 1.708 | 0.066 | 0.797 |
| GOS | 2.285 | 0.924 | 5.655 | 4.199 | 0.040 | |
| Hct | RHR | 1.124 | 0.916 | 1.380 | 1.232 | 0.267 |
| GOS | 0.798 | 0.542 | 1.175 | 1.471 | 0.225 | |
| ACP | RHR (F) | 3.001 | 0.121 | 74.356 | 0.676 | 0.411 |
| GOS | 0.270 | 0.021 | 3.552 | 0.860 | 0.354 | |
| HT | RHR | 0.982 | 0.884 | 1.091 | 0.118 | 0.732 |
| GOS | 0.948 | 0.802 | 1.120 | 0.428 | 0.513 | |
| BLH | RHR (F) | 1.478 | 0.044 | 49.592 | 0.068 | 0.794 |
| GOS (F) | 0.620 | 0.017 | 22.595 | 0.080 | 0.777 | |
| Competence | RHR | 1.458 | 0.249 | 8.537 | 0.181 | 0.670 |
| GOS | 1.111 | 0.093 | 13.295 | 0.007 | 0.933 | |
| IFA | RHR | 0.599 | 0.343 | 1.051 | 4.021 | 0.045 |
| GOS | 0.358 | 0.118 | 1.093 | 5.168 | 0.023 | |
Significant values are featured with bold font. Abbreviations: GCS: Glasgow Coma Scale, ND: Neurological Deficit, Na: Natrium, Hct: Hematocrit, ACP: abnormal coagulation profile, HT: Thickness of Hematoma, BLH: Bilateral Hematoma, IFA: Intravenous Fluid Administration, RHR: Rate of Hematoma Recurrence, GOS: Glasgow Outcome Scale.