Volume 5, Number 2—April 1999
Dispatch
Lack of Association between First Myocardial Infarction and Past Use of Erythromycin, Tetracycline, or Doxycycline
Lisa A. Jackson
, Nicholas L. Smith, Susan R. Heckbert, J. Thomas Grayston, David S. Siscovick, and Bruce M. Psaty
, Nicholas L. Smith, Susan R. Heckbert, J. Thomas Grayston, David S. Siscovick, and Bruce M. Psaty
Table 1
Characteristics of case-patients with myocardial infarction and controls
| Variable | Case-patients n=1796 | Controls n=4882 |
|---|---|---|
| Mean age (yr) | 67.0 | 66.7 |
| Male | 38% | 41% |
| Mean duration of enrollment in GHa (yr) | 16.8 | 17.4 |
| Angina | 26% | 10% |
| Hypertension | 75% | 70% |
| Diabetes mellitus | 27% | 12% |
| Current smoker | 28% | 15% |
aGroup Health Cooperative of Puget Sound, Seattle, WA.
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