Learn More
For a clinical trial with a time-to-event primary endpoint, the rate of accrual of the event of interest determines the timing of the analysis, upon which significant resources and strategic planning depend. It is important to be able to predict the analysis time early and accurately. Currently available methods use either parametric or nonparametric models(More)
PURPOSE To determine the negative predictive value of sonographically guided 14-gauge core needle biopsy of breast masses, with detailed analysis of any false-negative cases. MATERIALS AND METHODS We reviewed 669 cases of sonographically guided 14-gauge core needle biopsies that had benign pathologic findings. Given a benign pathology on core biopsy,(More)
OBJECTIVE To outline the clinical presentation, physical examination findings, diagnostic criteria, and management options of femoroacetabular impingement (FAI). SOURCES OF INFORMATION PubMed was searched for relevant articles regarding the pathogenesis, diagnosis, treatment, and prognosis of FAI. MAIN MESSAGE In recent years, FAI has been increasingly(More)
  • 1