Hayreh et al reported equations for estimating the upper limit of the normal reference range for the erythrocyte sedimentation rate (ESR). The authors are from the University of Iowa.
Parameters:
(1) age in years
(2) sex
upper limit for normal reference range for ESR in males =
= (0.18 * (age)) + 17.3
upper limit for normal reference range for ESR in females =
= (0.18 * (age)) + 22.1
= (upper limit for males) + 4.8
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