Background A systematic understanding of how multimorbidity has been constructed and
measured is unavailable. This review aimed to examine the definition and measurement of …

Background: Scientific knowledge on functional outcome after injury is limited. During the
past decade, a variety of measures have been used at various moments in different study …

Background It is important to obtain greater insight into health-related quality of life (HRQL)
of injury patients in order to document people's pathways to recovery and to quantify the …

Objective To derive and validate a risk prediction algorithm to estimate hospital admission
and mortality outcomes from coronavirus disease 2019 (covid-19) in adults. Design …

Background The results of meta-analyses examining the relationship between vitamin D
supplementation and fracture reduction have been inconsistent. Methods We pooled …

Objectives To derive and validate risk prediction algorithms to estimate the risk of covid-19
related mortality and hospital admission in UK adults after one or two doses of covid-19 …

Background The UK has had universal free health care and public health programmes for
more than six decades. Several policy initiatives and structural reforms of the health system …

Importance The literature focuses on mortality among children younger than 5 years.
Comparable information on nonfatal health outcomes among these children and the fatal …

Background Current UK vaccination policy is to offer future COVID-19 booster doses to
individuals at high risk of serious illness from COVID-19, but it is still uncertain which groups …

Background Vast amounts of data are collected about patients and service users in the
course of health and social care service delivery. Electronic data systems for patient records …