title: [Investigation of the Zeta reference values by Chinese-built Zetafuge and preliminary application].
abstract: We determined the Zeta sedimentation ratio (ZSR) for 326 normal subjects and 106 inpatients by Chinese-built Zetafuge. The mean ZSR for normal subjces was 52.5 +/- 5.05% and that for inpatients 68.52 +/- 5.54% (P < 0.001). ZSR can be determined by using directly the blood sample with the anticoagulant EDTA-K2; the determination is faster and requires less volume of blood sample; it is not affected by anemia and need not be corrected for age and sex. The results of ZSR are expressed in a new unit, %, not in mm/h. The reference value we established is: < or = 62%. We also discussed the problem of reproducibility, the speed of centrifuge, the height of blood, and compared this method with the westergren method. The agreement between the two methods is 86.6%.
authors.affiliation: Departmnet of Laboratory Medicine, First Affiliated Hospital, Chengdu.
authors.forename: J
authors.initials: J
authors.lastname: Su
authors.forename: Z
authors.initials: Z
authors.lastname: Peng
authors.forename: P
authors.initials: P
authors.lastname: Li
authors.forename: H
authors.initials: H
authors.lastname: Song
mesh_terms: D000328:Adult; D000368:Aged; D001799:Blood Sedimentation; D005260:Female; D006403:Hematologic Tests / Q000295:instrumentation*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012216:Rheumatic Diseases / Q000097:blood