For the article, "Pneumonia and Influenza Death Rates --
United
States, 1979-1994," reexamination of the database detected an error
in the
age-adjustment procedure used to calculate the weekly mean
pneumonia and
influenza (P&I) death rates for noninfluenza periods. The following
corrected paragraph replaces the first paragraph on page 536:
"To control for the highly variable seasonal contribution of
influenza-associated deaths, the trend for mean weekly number of
P&I deaths
for the noninfluenza period (weeks 26-39) was analyzed. From 1979
through
1992, age-adjusted P&I death rates during these weeks increased
from 3.1 to
3.7 per 1 million population. Analysis of P&I deaths listed in any
position
on the death certificate (multiple-cause-of-death data) indicated a
similar
increase."
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