[Blood rheology analysis of 23436 samples and establishment of reference range by sitting and lying position].

Aim: To establish reference range of blood theology for different gender by sitting and lying in healthy populations.

Methods: In 31 volunteers blood were drawed in the postures of sitting and lying to measure blood rheology. Data (between July 2002 and July 2006) of 32854 samples (23436 check-up, 6553 out-patient,2865 in-patient) were collected.