Legend: Appendix C displays the number of case/control sets overall and by gender according to the exposure status of the case subject and number of matched controls exposed to any PPA in the 3-day window and to PPA in cough/cold remedy and appetite suppressants. (Note: Except for 28 cases with one matched control, each case subject was matched to two control subjects. All 16 female and 12 male case-control pairs were concordant as
not-exposed to any PPA and are included in the lower left entries in each table.)
Appendix D Analyses Stratified by Gender: Phenylpropanolamine (PPA) Exposure