Table 3:
Unadjusted and Adjusted Associations between Predictor Variables and Rancho Los Amigos Scale
| Independent Variable | Unadjusted Coefficient | P Value | Adjusted Coefficient | P Value |
|---|---|---|---|---|
| P-GCS | 0.94 ± 0.17 | <.001* | 0.32 ± 0.06 | <.001* |
| Iodine quantity in all contusions (mg) | −1.88 ± 0.66 | .006* | −0.044 ± 0.018 | .01* |
| Age (y) | 0.07 ± 1.3 | .95 | … | … |
| Sex (men vs women) | 0.04 ± 0.14 | .75 | … | … |
| Motor score | 0.27 ± 0.07 | <.001* | … | … |
| Systolic blood pressure (mm Hg) | −0.63 ± 1.83 | .7 | … | … |
| Diastolic blood pressure (mm Hg) | −0.16 ± 1.05 | .87 | … | … |
| Prothrombin time (sec) | −0.23 ± 0.22 | .29 | … | … |
| aPTT (sec) | −0.5 ± 0.27 | .07 | … | … |
| Fibrinogen level (mg/dL)† | 7.36 ± 0.002 | .2 | … | … |
| Platelet count (103/μL) | 0.003 ± 4.65 | .99 | … | … |
| Marshall CT score | … | … | ||
| DI II | 1 | … | … | … |
| DI III and 1 V | 0.5 ± 0.26 | .05* | … | … |
| Multiple contusions (%) | 0.14 ± 0.12 | .24 | … | … |
| Hemorrhagic progression | 0.17 ± 0.14 | .22 | … | … |
| Fraction of hemorrhagic progression | 0.19 ± 0.48 | .68 | … | … |
| Iodine concentration (mg/mL)‡ | −0.04 ± 0.012 | .002* | … | … |
| Hematoma volume on admission CT scan (cm3) | −0.82 ± 0.39 | .04* | … | … |
| Hematoma volume on follow-up CT scan (cm3) | −1.49 ± 0.63 | .02* | … | … |
| Total pseudohematoma from all contusions (cm3) | −0.87 ± 0.3 | .005* | … | … |
| Fractional pseudohematoma to true hematoma | −0.04 ± 0.02 | .05* | … | … |
| Iodine quantity in all pseudohematomas (mg) | −0.92 ± 0.38 | .02* | … | … |
Note.—Unless otherwise indicated, data are mean ± standard error. aPTT = activated partial thromboplastin time, DI = diffuse injury, P-GCS– postresuscitation Glasgow coma scale.
*
P value indicates a significant difference.
†
To convert to SI units (micromoles per liter), multiply by 0.0294.
‡
To convert to SI units (nanomoles per liter), multiply by 7.880.