Table 3:

Univariate analysis—association between postoperative dual-energy CT parameters and subsequent intracerebral hemorrhage developmenta

Non-ICH Group (n = 71)ICH Group (n = 14) No. (%)P Value No. (%)
Hyperdensity on simulated 120-kV images.002b
    Yes40/71 (56.3%)14/14 (100%)
    No31/71 (43.7%)0/14 (0%)
Hyperdensity site.342
    DWM23/40 (57.5%)6/14 (42.9%)
    DWM + cortical11/40 (27.5%)7/14 (50.0%)
    Cortical6/40 (15.0%)1/14 (7.1%)
Hyperdensity homogeneity.028b
    Homogeneous26/40 (65.0%)4/14 (28.6%)
    Inhomogeneous14/40 (35.0%)10/14 (71.4%)
Hyperdensity maximum attenuation.010b
    Median (HU)6885
Iodine extravasation on iodine map images.002b
    Yes40/71 (56.3%)14/14 (100%)
    No31/71 (43.7%)0/14 (0%)
Maximum iodine concentration<.001b
    Median (mg/mL)1.402.63
Hemorrhage on VNC images<.001b
    Yes0/71 (0%)5/14 (35.7%)
    No71/71 (100%)9/14 (64.3%)

  • Note:—DWM indicates deep white matter.

  • ↵a The strength of the association is quantified by the P value (significant if P < .05).

  • ↵b Significant.