Background and Purpose The purposes of this study were to standardize and validate a
Korean version of the Insomnia Severity Index (ISI-K), and to evaluate its clinical usefulness …

Aim To examine the relationship between calf circumference and muscle mass, and to
evaluate the suitability of calf circumference as a surrogate marker of muscle mass for the …

Sensitivity and specificity are two components that measure the inherent validity of a
diagnostic test for dichotomous outcomes against a gold standard. Receiver operating …

In biomedical research and practice, quantitative tests or biomarkers are often used for
diagnostic or screening purposes, with a cut point established on the quantitative …

Objective The increased risk of progressive multifocal leukoencephalopathy (PML) with
natalizumab treatment is associated with the presence of anti–JC virus (JCV) antibodies. We …

Aim The area under the receiver operating characteristic (ROC) curve (AUC) is a widely
used statistic for assessing the discriminatory capacity of species distribution models. Here, I …

Tremendous efforts have been made over the past few decades to discover novel cancer
biomarkers for use in clinical practice. However, a striking discrepancy exists between the …

Closely monitoring service performance and detecting anomalies are critical for Internet-
based services. However, even though dozens of anomaly detectors have been proposed …

Background The Ankylosing Spondylitis Disease Activity Score (ASDAS) is a new composite
index to assess disease activity in ankylosing spondylitis (AS). It fulfils important aspects of …

In linear regression problems with many predictors, penalized regression techniques are
often used to guard against overfitting and to select variables relevant for predicting an …