Factors Associated With Abdominal Pain in Patients With Active and Quiescent Ulcerative Colitis: A Multicohort Study.

Background: Abdominal pain can be an overlooked symptom in patients with ulcerative colitis (UC).

Aims: The aim of this study was to investigate the prevalence and factors associated with abdominal pain in active and quiescent UC.

Methods: Three study cohorts of adult UC patients were used.

A prospective evaluation of the diagnostic accuracy of the point-of-care VISITECT CD4 Advanced Disease test in seven countries.

Background: CD4 measurement is pivotal in the management of advanced HIV disease. VISITECT® CD4 Advanced Disease (AccuBio Limited, Alva, UK; VISITECT) is an instrument-free, point-of-care, semi-quantitative test allowing visual identification of a CD4 ≤200 cells/µl, or >200 cells/µl from finger-prick or venous blood.

Methods: As part of a diagnostic accuracy study of FUJIFILM SILVAMP TB LAM (clinicaltrials.