Measure description Documentation of IBD type, anatomic location, and activity Percentage of patients prescribed corticosteroid-sparing therapy Bone loss assessment in patients who have been on corticosteroid therapy Influenza immunization Pneumococcal…
© Springer International Publishing Switzerland 2016Raymond K. Cross and Andrew R. Watson (eds.)Telemanagement of Inflammatory Bowel Disease10.1007/978-3-319-22285-1_4 4. Teleconsultation in the Care of Patients with IBD Andrew R. Watson1 (1) Department of Colorectal Surgery, University of…
and Sandra M. Quezada1 (1) Department of Gastroenterology and Hepatology, University of Maryland School of Medicine, 100 North Greene St, Lower Level, 21201 Baltimore, MD, USA Sandra M. Quezada Email: squezada@medicine.umaryland.edu…
Measurement Variability and Error A biological variable measured on each of a number of individuals will always exhibit a certain amount of variability. The measurements are likely to vary between…
Introduction Correlation analysis is concerned with measuring the degree of association between two variables, x and y. Initially, we assume that both x and y are numerical, e.g. height and…
The Problems We have two independent groups of individuals (e.g. homosexual men with and without a history of gonorrhoea). We want to know whether the proportions of individuals with a…
The Problem We have samples from two independent (unrelated) groups of individuals and one numerical or ordinal variable of interest. We are interested in whether the mean or distribution of…
The Linear Regression Line After selecting a sample of size n from our population and drawing a scatter diagram to confirm that the data approximate a straight line, we estimate…
Introduction Logistic regression is very similar to linear regression; we use it when we have a binary outcome of interest (e.g. the presence/absence of a symptom, or an individual who…
An individual’s state of health is often characterized by a number of numerical or categorical measures. In this context, an appropriate reference interval (Chapters 6 and 7) and/or diagnostic test…
