Table 2:

Percentage decrease in hematocrit between contiguous venous segments in postmortem subjects

Venous Segments Compared	Subject 1a	Subject 2b	Subject 3c
Superior aspect of superior sagittal sinus/inferior aspect of superior sagittal sinus	NA	13.4	5.8
Anterior aspect of straight sinus/posterior aspect of straight sinus	32.0	23.5	27.4

Note:—NA indicates not available.

^aSubject 1, imaged 7 hours after death.

^bSubject 2, imaged 6 hours after death.

^cSubject 3, imaged 28 hours after death.