- Case-crossover studies of therapeutics: design approaches to addressing time-varying prognosis in elderly populationsShirley V Wang
Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women s Hospital and Harvard Medical School, Boston, MA 02120, USA
Epidemiology 24:375-8. 2013..We evaluated the potential impact of time-varying prognosis in self-controlled studies of treatment effects and the extent to which alternative adjustment strategies could mitigate these biases...
- Age, antipsychotics, and the risk of ischemic stroke in the Veterans Health AdministrationShirley Wang
Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine at Brigham and Women s Hospital, Harvard Medical School, Boston, MA, USA
Stroke 43:28-31. 2012..A case-case-time-control design uses within- and between-case comparisons to evaluate short-term effects at the same time as adjusting for unmeasured time-invariant confounders and exposure-time trends...