Guy's Hospital

Evaluating single-best-answer questions in dental materials education: a retrospective item analysis from an online undergraduate dentistry question bank

Abstract Background High-quality single-best-answer (SBA) questions require appropriate construction, alignment with intended learning outcomes, absence of technical item flaws and psychometric evaluation. Dentistry-specific evidence linking these constructional features to item...

Comparison of Actigraphy and Polysomnography in a Sleep Centre Cohort

ABSTRACT Polysomnography (PSG) is the gold standard for sleep assessment, but actigraphy offers a low‐cost, non‐invasive multi‐night alternative. MotionWatch 8 was compared to PSG in a tertiary sleep centre cohort ( n = 107; age 37.6 ± 14.9 years; 56% female), examining whether a...

22 Quality of life and services use in patients diagnosed with brain tumours: data from a national cancer survivorship study

Abstract Introduction About 13,000 new patients are diagnosed annually with a primary brain tumour in the UK and less than 20% of patients survive 10 years post-diagnosis. Patient-Reported Outcomes and Experiences (PROMs & PREMs) are largely used in clinical trials that recruit f...

Hyperactivity in context: comparing actigraphy and informant ratings across the school week

Background Hyperactivity is a core symptom of childhood attention deficit hyperactivity disorder (ADHD), yet no population‐based studies have compared objective and subjective hyperactivity measures across the school day. Methods This study used data from N = 6,518 seven‐year‐old...