In this issue of the Journal, Auer and colleagues conclude that serum levels of neuron-specific enolase (NSE), a biochemical marker of ischemic brain injury, may have clinical utility for the prediction of survival to hospital discharge in patients experiencing the return of spontaneous circulation following at least 5 minutes of cardiopulmonary resuscitation. The authors used a receiver operating characteristic (ROC) curve to illustrate and evaluate the diagnostic (prognostic) performance of NSE. We explain ROC curve analysis in the following paragraphs.

EW ISSUES IN THE FIELD OF FAM-ily violence generate as much controversy as screening women for intimate partner violence (IPV) in health care settings. 1,2 Herein, we use the term screening to refer to universal routine inquiry: "a standardized assessment of patients, regardless of their reasons for seeking medical attention," 1 aimed at identifying women who are experiencing or have recently experienced IPV.Proponents of screening emphasize the following as a rationale for its implementation: the high prevalence of IPV and associated impairment, 3,4 the high level of acceptability among women about such inquiry, 5,6 the availability of feasible screening techniques, 7,8 and the opportunity to offer support and refer-rals to patients once IPV is identified. 6,9 Organizations such as the US Preventive Services Task Force 10 and the Canadian Task Force on Preventive Health Care 11 have concluded that insufficient evidence exists to recom-For editorial comment see p 568.

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clinicaltrials.gov Identifier: NCT00336297.

Among adults undergoing noncardiac surgery, MINS is common and associated with substantial mortality.