Intermittent behaviour of a Cracked Rotor in the resonance region [PDF]
, 2008 Vibrations of the Jeffcott rotor are modelled by a three degree of freedom system including coupling between lateral and torsional modes. The crack in a rotating shaft of the rotor is introduced via time dependent stiffness with off diagonal couplings ...
Litak, Grzegorz, Sawicki, Jerzy T.
core +3 more sources
Mental health impacts of flooding: a controlled interrupted time series analysis of prescribing data in England. [PDF]
, 2017 BACKGROUND: There is emerging evidence that people affected by flooding suffer adverse impacts on their mental well-being, mostly based on self-reports. METHODS: We examined prescription records for drugs used in the management of common mental disorder ...
Armstrong, Ben +2 more
core +2 more sources
International Journal of Infectious Diseases, 2021 Objective: The coronavirus disease 2019 (COVID-19) pandemic has affected all healthcare systems. This study aimed to assess the impact of the COVID-19 pandemic on the number and severity of cases of community-acquired pneumonia (CAP) in Japan.
Hiroyuki Nagano +5 more
doaj +1 more source
Excess mortality during the Coronavirus disease pandemic in Korea
BMC Public Health, 2023 Background Although the ongoing epidemics of Coronavirus disease 2019 (COVID-19) may have affected the mortality trend of the nation, the national level assessment of excess mortality (changes in overall mortality in the entire population) is still ...
Changwoo Han, Hoyeon Jang, Juhwan Oh
doaj +1 more source
The impact of childhood pneumococcal vaccination on hospital admissions in England : a whole population observational study [PDF]
, 2019 Background Pneumococcal infections are major causes of morbidity and mortality worldwide. We use routine hospital admissions data and time-series modelling analysis to estimate the impact of the seven and thirteen valent pneumococcal conjugate ...
McCarthy, Noel D. +2 more
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Journal of the American College of Emergency Physicians Open, 2023 Objectives This study aims to evaluate the effect of the COVID‐19 pandemic on the frequency of emergency department (ED) visits in Portugal between March 2020 and July 2021.
Sílvia Lopes +5 more
doaj +1 more source
The effects of new urban motorway infrastructure on road traffic accidents in the local area: a retrospective longitudinal study in Scotland [PDF]
, 2016 Background: The M74 motorway extension, Glasgow, opened in June 2011. One justification for construction was an expectation that it would reduce road traffic accidents (RTAs) on local non-motorway roads.
Humphreys, David K. +4 more
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BMJ Open, 2022 Background Pandemics often precipitate declines in essential health service utilisation, which can ultimately kill more people than the disease outbreak itself.
Caroline Whidden +14 more
doaj +1 more source
Association between malaria control and paediatric blood transfusions in rural Zambia: an interrupted time-series analysis [PDF]
, 2014 BACKGROUND: Blood transfusions can reduce mortality among children with severe malarial anaemia, but there is limited evidence quantifying the relationship between paediatric malaria and blood transfusions. This study explores the extent to which the use
Alison B Comfort +11 more
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Immediate versus sustained effects: interrupted time series analysis of a tailored intervention [PDF]
Implementation Science, 2013 Abstract Background Detailed intervention descriptions and robust evaluations that test intervention impact—and explore reasons for impact—are an essential part of progressing implementation science. Time series designs enable the impact and sustainability of intervention effects to be tested.
Hanbury, A +5 more
openaire +3 more sources