Five measures produce equivalent results for measuring prescription refill adherence over the evaluation period. Of these, MRA has the fewest calculations, is easily truncated if one desires to exclude surplus medication issues, and requires the least amount of data. MRA is therefore recommended as the preferred measure of adherence using administrative data.

IPCS patients reported greater satisfaction with their care experience and providers' communication, had fewer ICU admissions on readmission, and lower total health care costs following hospital discharge.

The CHCC model resulted in fewer hospitalizations and emergency visits, increased patient satisfaction, and self-efficacy, but no effect on outpatient use, health, or functional status.

Over 1 year, health care costs for obese persons are higher than for nonobese persons, primarily because of prescription drugs.