Periodontal research typically relies on clinical examiners to assess variables such as
gingival inflammation, plaque scores or probing depths as a means of determining treatment …

Agreement among at least two evaluators is an issue of prime importance to statisticians,
clinicians, epidemiologists, psychologists, and many other scientists. Measuring …

The need to search for new measures describing the classification of a logistic regression
model stems from the difficulty in searching for previously unknown factors that predict the …

A method for analysing dependent agreement data with categorical responses is proposed.
A generalized estimating equation approach is developed with two sets of equations. The …

Clinical studies are often concerned with assessing whether different raters/methods
produce similar values for measuring a quantitative variable. Use of the concordance …

In the medical sciences, studies are often designed to assess the agreement between
different raters or different instruments. The kappa coefficient is a popular index of …

Kappa statistic is widely used to assess the agreement between two procedures in the
independent matched‐pair data. For matched‐pair data collected in clusters, on the basis of …

Model‐based inference procedures for the kappa statistic have developed rapidly over the
last decade. However, no method has yet been developed for constructing a confidence …

The bootstrap method for estimating the standard error of the kappa statistic in the presence
of clustered data is evaluated. Such data arise, for example, in assessing agreement …

In clinical studies, it is often of interest to see the diagnostic agreement among clinicians on
certain symptoms. Previous work has focused on the agreement between two clinicians …