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BACKGROUND For persons who have an out-of-hospital cardiac arrest, the probability of receiving bystander-initiated cardiopulmonary resuscitation (CPR) may be influenced by neighborhood characteristics. METHODS We analyzed surveillance data prospectively submitted from 29 U.S. sites to the Cardiac Arrest Registry to Enhance Survival between October 1, 2005, and December 31, 2009. The neighborhood in which each cardiac arrest occurred was determined from census-tract data. We classified neighborhoods as high-income or low-income on the basis of a median household income threshold of $40,000 and as white or black if more than 80% of the census tract was predominantly of one race. Neighborhoods without a predominant racial composition were classified as integrated. We analyzed the relationship between the median income and racial composition of a neighborhood and the performance of bystander-initiated CPR. RESULTS Among 14,225 patients with cardiac arrest, bystander-initiated CPR was provided to 4068 (28.6%). As compared with patients who had a cardiac arrest in high-income white neighborhoods, those in low-income black neighborhoods were less likely to receive bystander-initiated CPR (odds ratio, 0.49; 95% confidence interval [CI], 0.41 to 0.58). The same was true of patients with cardiac arrest in neighborhoods characterized as low-income white (odds ratio, 0.65; 95% CI, 0.51 to 0.82), low-income integrated (odds ratio, 0.62; 95% CI, 0.56 to 0.70), and high-income black (odds ratio, 0.77; 95% CI, 0.68 to 0.86). The odds ratio for bystander-initiated CPR in high-income integrated neighborhoods (1.03; 95% CI, 0.64 to 1.65) was similar to that for high-income white neighborhoods. CONCLUSIONS In a large cohort study, we found that patients who had an out-of-hospital cardiac arrest in low-income black neighborhoods were less likely to receive bystander-initiated CPR than those in high-income white neighborhoods. (Funded by the Centers for Disease Control and Prevention and others.)

Key PointsQuestionWhat are the spatial and temporal trends in suicide rates, how are contextual-level factors associated with suicide, and do these associations vary across the rural-urban continuum?FindingsThis cross-sectional study found that suicide rates in the United States increased from 1999 to 2016, with the greatest increase in rural counties. Deprivation had a disproportionately negative association with suicide rates in rural counties, the presence of gun shops and a higher percentage of uninsured individuals were associated with higher suicide rates, and high social capital was associated with lower suicide rates.MeaningUnderstanding geographical differences in suicide rates and community-level risk and protective factors can inform development and implementation of targeted suicide prevention strategies.

In this paper we compare physician referral patterns, quality, patient satisfaction, and community benefits of physician-owned specialty versus peer competitor hospitals. Our results are based on evidence gathered from site visits to six markets, 2003 Medicare claims, patient focus groups, and Internal Revenue Service data. Although physicianowners are more likely than others to refer to their own facilities and treat a healthier population, there are rationales for these patterns aside from motives for profit. Specialty hospitals provide generally high-quality care to satisfied patients. Uncompensated care plus specialty hospitals' taxes represent a greater burden, in percentage terms, than community benefits provided by nonprofit providers. [Health Affairs 25, no. 1 (2006): 106-118] A s pa rt o f t h e m e d i c a r e p r e s c r i p t i o n d ru g, Improvement, and Modernization Act (MMA) of 2003, Congress established an eighteenmonth moratorium on the development and expansion of new physicianowned specialty hospitals. The central concern among policymakers is whether these hospitals enjoy an unfair competitive advantage relative to other community hospitals. During the moratorium, Congress required the Medicare Payment Advisory Commission (MedPAC) and the Centers for Medicare and Medicaid Services (CMS) to report on two different aspects of this issue. At issue is whether specialty hospitals' physician-owners are able to control the referral of patients, choosing between their own facilities and other hospitals in the community, in a way that results in favorable selection. Other related issues are whether specialty hospitals provide high-quality care, how their patients perceive care, and what types of community benefits they contribute in their markets. Although the con-1 0 6 J a n u a r y / F e b r u a r y 2 0 0 6

BACKGROUND-For persons who have an out-of-hospital cardiac arrest, the probability of receiving bystander-initiated cardiopulmonary resuscitation (CPR) may be influenced by neighborhood characteristics.