There are racial differences in PEFR. Even in Harriet Lane Handbook
different charts by race are available. The differences are slight
however. For example a 160-cm boy would have an expected PEFR of
approximately 430 if white and 400 if black. Hope this helps.
David F. Soglin
For more information, send mail to [log in to unmask] with the message: info PED-EM-L
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