Results 11 to 20 of about 44,030,521 (374)

Retrospective Studies [PDF]

open access: yesCanadian Respiratory Journal, 2009
Nick R Anthonisen
doaj   +3 more sources

Pancreatitis--a retrospective study. [PDF]

open access: bronzeGut, 1976
A retrospective study has been made of all adult patients admitted to Manchester Royal Infirmary with exocrine pancreatic disease between 1968 and 1974, in order to define the factors which influence the variable mortality and morbidity rates in published accounts of patients with acute pancreatitis.
Graham Read, Joan M. Braganza, H T Howat
openalex   +4 more sources

Retrospective Studies [PDF]

open access: yesEuropean Journal of Vascular and Endovascular Surgery, 2015
Powell, J.T., Sweeting, M.J.
openaire   +3 more sources

Theoretical Framework for Retrospective Studies of the Effectiveness of SARS-CoV-2 Vaccines. [PDF]

open access: yesEpidemiology, 2021
Observational studies of the effectiveness of vaccines to prevent COVID-19 are needed to inform real-world use. These are now in planning amid the ongoing rollout of SARS-CoV-2 vaccines globally.
Lewnard JA   +8 more
europepmc   +2 more sources

COVID-19 and liver dysfunction: A systematic review and meta-analysis of retrospective studies. [PDF]

open access: yesJ Med Virol, 2020
Recently, Coronavirus Disease 2019 (COVID‐19) pandemic is the most significant global health crisis. In this study, we conducted a meta‐analysis to find the association between liver injuries and the severity of COVID‐19 disease.
Youssef M   +11 more
europepmc   +2 more sources

Liver injury is associated with severe coronavirus disease 2019 (COVID-19) infection: A systematic review and meta-analysis of retrospective studies. [PDF]

open access: yesHepatol Res, 2020
Aim: The Coronavirus disease 2019 (COVID-19) outbreak is a major threat to human beings. Lung injury has been reported as the major outcome of COVID-19 infection. However, liver damage has also been considered to occur in severe cases.
Parohan M, Yaghoubi S, Seraji A.
europepmc   +3 more sources

Otomycosis: a retrospective study [PDF]

open access: yesBrazilian Journal of Otorhinolaryngology, 2009
Otomycosis is a fungal infection of the external ear canal with only a few studies about its real frequency in Brazil.to evaluate otomycosis frequency and characteristics in patients with clinical suspicion of external otitis.Retrospective study with transversal cohort (2000-2006).103 patients were assigned to mycological diagnosis (direct microscopic ...
Pontes, Zélia Braz Vieira da Silva   +6 more
openaire   +6 more sources

Segmented Linear Regression Models for Assessing Change in Retrospective Studies in Healthcare. [PDF]

open access: yesComput Math Methods Med, 2019
Introduction In retrospective studies, the effect of a given intervention is usually evaluated by using statistical tests to compare data from before and after the intervention.
Valsamis EM   +3 more
europepmc   +2 more sources

Real-world outcomes of ultrasonography-guided interventions in a tertiary hospital

open access: yesJournal of Medical Ultrasound, 2020
Background: Intervention under ultrasonography (US) guidance has become increasingly prevalent in recent years. This study aimed to assess the treatment response to US-guided musculoskeletal interventions in daily practice.
Yeh-Kai Liao   +2 more
doaj   +1 more source

Safety and clinical outcomes of remdesivir in hospitalised COVID-19 patients: a retrospective analysis of active surveillance database

open access: yesBMC Infectious Diseases, 2022
Background Real-world data on safety and clinical outcomes of remdesivir in COVID-19 management is scant. We present findings of data analysis conducted for assessing the safety and clinical outcomes of remdesivir treatment for COVID-19 in India. Methods
Vaishali Gupte   +6 more
doaj   +1 more source

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