Background There is limited longitudinal evidence on the hypertensive effects of long-term
exposure to ambient O3. We investigated the association between long-term O3 exposure at …

Survival data analysis is a very broad field of statistics, encompassing a large variety of
methods used in a wide range of applications, and in particular in medical research. During …

The notion of frailty provides a convenient way to introduce random effects, association and
unobserved heterogeneity into models for survival data. In its simplest form, a frailty is an …

BACKGROUND Survival models accounting for unobserved heterogeneity (frailty models)
play an important role in mortality research, yet there is no article that concisely summarizes …

The excess hazard regression model is an approach developed for the analysis of cancer
registry data to estimate net survival, that is, the survival of cancer patients that would be …

Background Autonomic function can be measured noninvasively using heart rate variability
(HRV), which indexes overall sympathovagal balance. Deceleration capacity (DC) of heart …

Statement of problem Completely veneered zirconia ceramic (ZC) fixed partial dentures
(FPDs) have been reported to have a higher incidence of ceramic chipping than the …

Lane changing is a complex, yet extremely common driving manoeuvre. Studying lane
changes can provide insight into how long drivers wait after activating their turn signal …

In repairable systems, a fundamental aspect to be considered is to predict the reliability of
the systems under study. Establishing reliability models for multiple repairable systems …

Background Multidrug-resistant tuberculosis (MDR-TB) is caused by bacteria that are
resistant to the most effective anti-tuberculosis drug. The MDR-TB is an increasing global …