Volume 13, Number 5—May 2007
Research
Trends for Influenza-related Deaths during Pandemic and Epidemic Seasons, Italy, 1969–2001
Table 1
Mean age-standardized excess all-cause deaths per 100,000 population and percent increase in death rates and the winter seasonal percent increase attributable to influenza, Italy, 1969–2001*
Deaths | Northern | Central | Southern |
---|---|---|---|
Pandemic season (1969–1970) | |||
Excess | 103.6 | 85.3 | 105.2 |
Percent increase | 21.7 | 21.0 | 25.9 |
Epidemic seasons (1970–2001) | |||
Excess | 13.7 | 13.2 | 17.1 |
Percent increase | 3.4 | 3.6 | 5.1 |
Entire study period (1969–2001) | |||
Excess | 16.6 | 15.4 | 19.9 |
Percent increase | 4.0 | 4.1 | 5.7 |
*95% confidence intervals for individual season estimates were within 6% of values listed.