The use of common surgical procedures varies widely across regions. Differences in illness
burden, diagnostic practices, and patient attitudes about medical intervention explain only a …

▪ Abstract Electronically available administrative data are increasingly used by public health
researchers and planners. The validity of the data source has been established, and its …

Background Universal health care systems seek to ensure access to care on the basis of
need rather than income and to improve the health status of all citizens. We examined the …

This paper examines the validity of using ecologic measures of socioeconomic status as
proxies for individual-level measures in the study of population health. Based on a …

Public opinion surveys uniformly show low support for medical-care systems in developed
countries. The longstanding conflict between equal access to care and efficient service …

Background and Purpose—Socioeconomic status is associated with increased mortality
from ischemic heart disease. We undertook a study to determine whether a similar …

It is estimated that up to thirteen percent of hospital admissions result from the adverse
effects of diagnosis or treatment, and that almost seventy percent of iatrogenic complications …

Background Sex differences in the use of health care services can be substantial at several
stages of life. However, the extent to which differences in reproductive biology and mortality …

Health varies with socioeconomic status; those with higher incomes or who are better
educated can expect to have better health. The success of the Canadian universal health …

Objective To determine prospectively the immunologic response and adverse clinical events
in surgical patients exposed to bovine thrombin during cardiac surgical procedures …