Browsing Centre for Clinical Trials & Methodology by Issue Date
Now showing items 41-60 of 263
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The importance of different frailty domains in a population based sample in England
(BioMed Central, 2020-01-15)Background: The aim was to estimate the prevalence of frailty and relative contribution of physical/balance, nutritive, cognitive and sensory frailty to important adverse health states (falls, physical activity levels, ... -
Seasonal variation in fetal lateral cerebral ventricular diameter.
(Wiley Online, 2020-02)What is already known about this topic? Lateral cerebral ventriculomegaly in the fetus associates with increased risk of neuropsychiatric disorders in childhood and adulthood. Vitamin D deficiency has been posited as a ... -
Cardiovascular Functional Reserve Before and After Kidney Transplant.
(American Medical Association, 2020-02-05)Importance: Restitution of kidney function by transplant confers a survival benefit in patients with end-stage renal disease. Investigations of mechanisms involved in improved cardiovascular survival have relied heavily ... -
The EQ-5D-5L Value Set for England: Response to the “Quality Assurance”
(Elsevier BV, 2020-03) -
Sample size and power calculations for open cohort longitudinal cluster randomized trials.
(John Wiley and Sons, 2020-03-04)When calculating sample size or power for stepped wedge or other types of longitudinal cluster randomized trials, it is critical that the planned sampling structure be accurately specified. One common assumption is that ... -
The Effects of Private Health Insurance on Universal Health Coverage Objectives in China: A Systematic Literature Review.
(2020-03-19)BACKGROUND: We conducted a systematic review on the role of private health insurance to complement the social health insurance system towards achieving universal health coverage in China. This review presents the impacts ... -
Protocol for a mixed methods process evaluation of the Smoking Treatment Optimisation in Pharmacies (STOP) trial
(2020-03-21)This article is a preprint from medRxiv and has not been peer-reviewed -
Randomised comparison of two household survey modules for measuring stillbirths and neonatal deaths in five countries: the Every Newborn-INDEPTH study.
(Elsevier, 2020-04-18)BACKGROUND: An estimated 5·1 million stillbirths and neonatal deaths occur annually. Household surveys, most notably the Demographic and Health Survey (DHS), run in more than 90 countries and are the main data source from ... -
Informal payments for inpatient health care in post-health transformation plan period: evidence from Iran
(Springer Science and Business Media LLC, 2020-04-20)Background: In 2014, a revision of the national medical tariffs for inpatient health care services took place in Iran, and a new hotline was set up to report informal payments. It was expected that such measures would ... -
Cluster over individual randomization: are study design choices appropriately justified? Review of a random sample of trials
(SAGE Publications, 2020-05-05) -
Facedown Positioning Following Surgery for Large Full-Thickness Macular Hole: A Multicenter Randomized Clinical Trial.
(American Medical Association, 2020-05-07)Importance: The value of facedown positioning following surgery for large full-thickness macular holes is unknown. Objective: To determine whether advice to position facedown postoperatively improves the outcome for large ...