Volume 10, Number 5—May 2004
Dispatch
Mass Smallpox Vaccination and Cardiac Deaths, New York City, 1947
Lorna E. Thorpe*†
, Farzad Mostashari*, Adam M. Karpati*1, Steven P. Schwartz*, Susan E. Manning*†, Melissa A. Marx*†, and Thomas R. Frieden*
, Farzad Mostashari*, Adam M. Karpati*1, Steven P. Schwartz*, Susan E. Manning*†, Melissa A. Marx*†, and Thomas R. Frieden*Table 2
Rate ratio (RR) and 95% confidence interval (CI) of cardiac death rates comparing postvaccination to reference periods,a New York City, March–June, 1946–1948
| Outcome | Postvaccination period | RR (95% CI) |
|---|---|---|
| All cardiac deaths (ICD-5 090–095) |
April 22–May 5 |
1.01 (0.96 to 1.07) |
| 50- to 64-year-olds only |
1.05 (0.95 to 1.15) |
|
| Atherosclerotic cardiac deaths (ICD-5 094) |
April 22–May 5 |
1.06 (0.97 to 1.16) |
| 50- to 64–year-olds only |
1.00 (0.86 to 1.15) |
|
| Myopericarditis deaths (ICD-5 090, 093) |
April 22–May 5 |
1.00 (0.94 to 1.07) |
| All deaths |
April 22–May 5 |
1.00 (0.97 to 1.04) |
| All cardiac deaths (ICD-5 090–095) | April 16–May 13 | 0.99 (0.95 to 1.04) |
aAll models are adjusted for long-term temporal and seasonal trends.
