scholarly journals Measurement Error for Age of Onset in Prevalent Cohort Studies

2014 ◽  
Vol 05 (11) ◽  
pp. 1672-1683 ◽  
Author(s):  
Yujie Zhong ◽  
Richard J. Cook
Keyword(s):  
Measurement Error ◽  
Cohort Studies ◽  
Age Of Onset ◽  
Prevalent Cohort

scholarly journals A Method to Visualize and Adjust for Selection Bias in Prevalent Cohort Studies

2011 ◽  
Vol 174 (8) ◽  
pp. 969-976 ◽  
Author(s):  
A. Torner ◽  
P. Dickman ◽  
A.-S. Duberg ◽  
S. Kristinsson ◽  
O. Landgren ◽  
...  
Keyword(s):  
Cohort Studies ◽  
Selection Bias ◽  
Prevalent Cohort

Correcting for Spatial Measurement Error in Air Pollution Cohort Studies

2014 ◽  
Vol 2014 (1) ◽  
pp. 2870
Author(s):  
Casey Olives* ◽  
Silas Bergen ◽  
Christopher Paciorek ◽  
Adam Szpiro
Keyword(s):  
Air Pollution ◽  
Measurement Error ◽  
Cohort Studies ◽  
Spatial Measurement

Measurement Error in Air Pollution Cohort Studies

Epidemiology ◽  
2011 ◽  
Vol 22 ◽  
pp. S32
Author(s):  
Adam Szpiro ◽  
Lianne Sheppard ◽  
Thomas Lumley
Keyword(s):  
Air Pollution ◽  
Measurement Error ◽  
Cohort Studies

scholarly journals Dealing With Dietary Measurement Error in Nutritional Cohort Studies

2011 ◽  
Vol 103 (14) ◽  
pp. 1086-1092 ◽  
Author(s):  
Laurence S. Freedman ◽  
Arthur Schatzkin ◽  
Douglas Midthune ◽  
Victor Kipnis
Keyword(s):  
Measurement Error ◽  
Cohort Studies

Prevalent cohort studies and unobserved heterogeneity

2019 ◽  
Vol 25 (4) ◽  
pp. 712-738
Author(s):  
Niels Keiding ◽  
Katrine Lykke Albertsen ◽  
Helene Charlotte Rytgaard ◽  
Anne Lyngholm Sørensen
Keyword(s):  
Cohort Studies ◽  
Unobserved Heterogeneity ◽  
Prevalent Cohort

Association of Vitamin D Status With Liver and Kidney Disease: A Systematic Review of Clinical Trials, and Cross-Sectional and Cohort Studies

2019 ◽  
pp. 1-13 ◽  
Author(s):  
Seyed Mostafa Parizadeh ◽  
Majid Rezayi ◽  
Reza Jafarzadeh-Esfehani ◽  
Amir Avan ◽  
Hamideh Ghazizadeh ◽  
...  
Keyword(s):  
Vitamin D ◽  
Kidney Disease ◽  
Renal Disease ◽  
Cohort Studies ◽  
Cochrane Library ◽  
Major Public Health Problem ◽  
Vitamin D Status ◽  
Cross Sectional ◽  
Beneficial Effects ◽  
Vitamin D Levels

Abstract. Background: Vitamin D deficiency (VDD) is a major public health problem. There are few comprehensive systematic reviews about the relationship between Vitamin D status and liver and renal disease in Iran. Methods: We systemically searched the following databases: Web of Science; PubMed; Cochrane Library; Scopus; Science Direct; Google Scholar and two Iranian databases (Scientific Information Database (SID) and IranMedex) up until November 2017 to identify all randomized control trials (RCTs), case control, cross-sectional and cohort studies investigating the association between vitamin D and any form of liver or kidney disease. Results: Vitamin D insufficiency, or deficiency (VDD), is highly prevalent in Iran, reports varying between 44.4% in Isfahan to 98% in Gorgan. There is also a high prevalence of VDD among patients with liver or kidney disease, and the administration of vitamin D supplements may have beneficial effects on lipid profile, blood glucose, liver function and fatty liver disease, and bone health. Low serum vitamin D levels are related with abnormalities in these laboratory and clinical parameters. Conclusion: VDD is prevalent in patients with chronic liver or renal disease in Iran. There appear to be several beneficial effects of vitamin D supplementation in vitamin D deficient patients with liver or kidney disease.

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