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The authors performed a nested case-control study using data from the Rochester Epidemiology Project which conducts population-based studies of the residents of Olmsted County, Minnesota.
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In this issue: Zolpidem and risk of falls; AVR and anticoagulation; statins in cancer patients; and FDA actions.
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Data were accessed from the nurses health study, which enrolled 121,700 U.S. female registered nurses who were 30-55 years old at the outset in 1976. Every 2 years, participants provided information about their lifestyle, medical history, and illnesses via mailed questionnaires.
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To evaluate the effectiveness of mammography as a screening test, the authors used the Surveillance, Epidemiology, and End Results (SEER) database to examine trends from 1976 through 2008 in the incidence of early-stage breast cancer (ductal carcinoma in situ and localized disease) and late-stage breast cancer (regional and distant disease) among women 40 years of age or older in the United States.
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There has been a steady rise of labor inductions in the United States during the last decade, a trend that has gone hand-in-hand with the cesarean section rate.
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The association between high surgical volume and improved procedure-based outcome is ubiquitous, yet without clarity as to why the association is so prevalent. One hypothesized mechanism is that high-volume hospitals may be better at rescuing patients with complications, rather than having lower complication rates.
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The different drug formulations of menopausal hormone therapy (HT) may determine the risk of venous thromboembolism (VTE), according to a new study.
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The National Survey of Family Growth (NSFG) is a national representative survey designed to provide data that supplement and complement the National Vital Statistics by collecting information on the factors that affect birth rates including sexual activity, marriage, divorce, cohabitation, contraceptive use, and infertility.
