Survival analysis is a subfield of statistics where the goal is to analyze and model data
where the outcome is the time until an event of interest occurs. One of the main challenges …

Much effort has been devoted to developing, constructing and refining fish passage facilities
to enable target species to pass barriers on fluvial systems, and yet, fishway science …

The effectiveness of vaccines against COVID-19 on the individual level is well established.
However, few studies have examined vaccine effectiveness against transmission. We used …

Background: The ultimate impact of a health innovation depends not only on its
effectiveness but also on its reach in the population and the extent to which it is implemented …

Background The cardiovascular effects of adding once-weekly treatment with exenatide to
usual care in patients with type 2 diabetes are unknown. Methods We randomly assigned …

Background Patients with recurrent or metastatic squamous-cell carcinoma of the head and
neck after platinum chemotherapy have a very poor prognosis and limited therapeutic …

Background We previously found no significant differences in mortality between men who
underwent surgery for localized prostate cancer and those who were treated with …

Importance The comparative effectiveness of rivaroxaban and apixaban, the most frequently
prescribed oral anticoagulants for ischemic stroke prevention in patients with atrial …

Data that have a multilevel structure occur frequently across a range of disciplines, including
epidemiology, health services research, public health, education and sociology. We …

Importance The expected duration of menopausal vasomotor symptoms (VMS) is important
to women making decisions about possible treatments. Objectives To determine total …