Table 2:

Correlations between GM-IVH grades and hematoma volumes with SS^{^a}

	GM-IVH Grade		Total Ventricular HV (mm³)		Cerebellar HV (mm³)
	r	P	r	P	r	P
Spinal cord SSD (mm)	0.55	<.001	0.55	<.001	0.29	.07
Medulla oblongata SSD (mm)	0.60	<.001	0.63	<.001	0.30	.005
Pons SSD (mm)	0.52	<.001	0.61	<.001	0.20	.06
Mesencephalon SSD (mm)	0.59	<.001	0.62	<.001	0.34	.001
Brain stem SS distribution	0.54	<.001	0.62	<.001	0.25	.018
Lateral ventricle SSD (mm)	0.48	<.001	0.51	<.001	0.32	.02
Third ventricle SSD (mm)	0.46	<.001	0.66	<.001	0.28	.009
Fourth ventricle SSD (mm)	0.44	<.001	0.59	<.001	0.21	.049
Choroid lateral ventricle SSD (mm)	0.67	<.001	0.72	<.001	0.26	.013
Choroid third ventricle SSD (mm)	0.61	<.001	0.73	<.001	0.32	.003
Choroid fourth ventricle SSD (mm)	0.40	<.001	0.47	<.001	0.23	.03
Cerebellar SSD (mm)	0.37	<.001	0.50	<.001	0.46	<.001
Total ventricular HV on HUS (mm³)	0.85	<.001	n/a	n/a	0.22	.04
Cerebellar HV (mm³)	0.17	.11	0.22	.04	n/a	n/a

Note:—n/a indicates not applicable; HV, hematoma volume; SSD, superficial siderosis depth; HUS, head ultrasound.
↵a GMH-IVH hemorrhage was detected by HUS and classified by using the Papile classification.