By rigorous statistical standards, the expression false negative rate is a misnomer because
the concept of" rate" is associated with the rapidity of change of phenomena per unit of time …

Sensitivity, specificity, and predictive values are commonly used to report the performance
characteristics of a diagnostic test. With tests that by their nature have more than two classes …

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Statistics have a role to play in most areas of medical research including the field of
pathology. We have come a long way since 1954 when the British Medical Journal …

This article serves as the second in a series that offers recommendations for optimal data
reporting, specifically focusing on statistical methods most frequently reported by the …

A universally accepted definition for a false-negative Papanicolaou smear has not been
established. Therefore, it is important to specify the criteria used to define false-negative …

The aim of quality control of a laboratory investigation is to ensure that similar results are
obtained on the same material at different centres. To investigate its practicability in …

With the introduction of transbronchial brushings and fine needle aspiration biopsy, which
enable us to obtain samples directly from lesions, the diagnostic potential of cytology for the …

Context.—The fraction of malignant cells in tumor tissue submitted for tests of genetic
alterations is a critical variable in testing accuracy. That fraction is currently determined by …

Proficiency tests in cytology classify a certain proportion of cytologists inaccurately. Some
competent cytologists fail during the testing procedure (" false-negative proficiency test" or" …