Shiva G. Sajjan, PhD

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Articles

October 11th 2011

Increasing Pharmaceutical Copayments: Impact on Asthma Medication Utilization and Outcomes

Jonathan D. Campbell, PhD Felicia Allen-Ramey, PhD Shiva G. Sajjan, PhD Eric M. Maiese, PhD Sean D. Sullivan, PhD

Even small changes in average copayment for long-term controller asthma medications can result in significant reductions in medication use and increases in healthcare services.

November 4th 2010

Persistent Asthma Defined Using HEDIS Versus Survey Criteria

Michael Schatz, MD, MS Robert S. Zeiger, MD, PhD Su-Jau T. Yang, PhD Wansu Chen, MS William W. Crawford, MD Shiva G. Sajjan, PhD Felicia Allen-Ramey, PhD

HEDIS-defined persistent asthma is generally consistent with survey-defined persistent asthma over a 3-year period.

May 11th 2010

Relationship of Asthma Control to Asthma Exacerbations Using Surrogate Markers Within a Managed Care Database

Michael Schatz, MD, MS Robert S. Zeiger, MD, PhD Su-Jau T. Yang, PhD Wansu Chen, MS William W. Crawford, MD Shiva G. Sajjan, PhD Felicia Allen-Ramey, PhD

Fewer short-acting agonist canisters dispensed (but not dispensing of any controller) and higher ratio of controller to total medication are associated with reduced asthma exacerbations.