… b Time to undetectable virus in upper and lower respiratory tract samples in participants
who were tested with both upper and lower respiratory tract sampling. Kaplan-Meier with 95% …

Background Testing for carcino‐embryonic antigen (CEA) in the blood is a recommended part
of follow‐up to detect recurrence of colorectal cancer following primary curative treatment. …

OBJECTIVES This overview aims to synthesise global evidence on factors affecting
healthcare access, and variations across low‐ and middle‐income countries (LMICs) vs. high‐…

Objective To explore ongoing symptoms, unmet needs, psychological wellbeing, self‐efficacy
and overall health status in survivors of prostate cancer. Patients and Methods An …

Failure to report inconclusive test results can lead to misleading conclusions regarding the
accuracy and clinical usefulness of a diagnostic tool. We show that these results are often …

Background: Most smoking cessation guidelines advise quitting abruptly. However, many
quit attempts involve gradual cessation. If gradual cessation is as successful, smokers can be …

Background Despite increasing use of computed tomography (CT), chest X-ray remains the
first-line investigation for suspected lung cancer in primary care in the UK. No systematic …

… 1A, B). When just those participants with recurrence from a Dukes’ C primary tumor are
considered, there is no difference in postrecurrence survival according to site of the original …

Objective To evaluate the diagnostic accuracy of a single CEA (carcinoembryonic antigen)
blood test in detecting colorectal cancer recurrence. Background Patients who have …

Background Point-of-care blood C-reactive protein (CRP) testing has diagnostic value in
helping clinicians rule out the possibility of serious infection. We investigated whether it should …