Table 5:

Multiple median regression model (relative hematoma volume change)

Relative Hematoma Volume ChangeMedian Relative Growth (%)P Value95% CI
Swirl sign35.6<.00118.5 to 52.6
Initial hematoma volume (mL)−0.23.158−0.56 to 0.09
Time between CT1 and CT2 (hr)−0.42.008−0.73 to −0.11
Time between onset and CT1 (hr)0.0.424−0.01 to 0.00