The log-rank test has been widely used to test treatment effects under the Cox model for censored time-to-event outcomes, though it may lose power substantially when the model's proportional hazards ...

In this paper, we consider a nonparametric model with a time-varying regression function and locally stationary regressors. We are interested in the question whether the regression function has the ...

A) The cumulative incidence of acute kidney disorder in exposed (black) and unexposed (gray) participants during 28-day follow-up. B) Hazard function smoothed with B spline depicting the instantaneous ...

Final multivariate analysis of obesity and survival in patients with node-positive primary breast cancer: The ADEBAR trial. Local versus central laboratory discrepancies in the determination of triple ...