(Q34612178)

3 August 2017

title

Subgroup analysis of large trials can guide further research: a case study of vitamin E and pneumonia (English)

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3 August 2017

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3 August 2017

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3 August 2017

language of work or name

English

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publication date

15 February 2011

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3 August 2017

published in

Clinical Epidemiology

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3 August 2017

volume

3

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3 August 2017

page(s)

51-59

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Creative Commons Attribution-NonCommercial 3.0 Unported

3 August 2017

copyright license

start time

1 February 2011

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April 2022 Public Data File from Crossref

copyright status

copyrighted

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cites work

Modification of the effect of vitamin E supplementation on the mortality of male smokers by age and dietary vitamin C.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Vitamin E supplementation and pneumonia risk in males who initiated smoking at an early age: effect modification by body weight and dietary vitamin C.

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Exercise-induced oxidative stress: cellular mechanisms and impact on muscle force production

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Observational research, randomised trials, and two views of medical science

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Vitamin E supplementation may transiently increase tuberculosis risk in males who smoke heavily and have high dietary vitamin C intake

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

The effect of vitamin E on common cold incidence is modified by age, smoking and residential neighborhood

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

The challenge of subgroup analyses--reporting without distorting

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Vitamins E and C are safe across a broad range of intakes

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Vitamin E and respiratory tract infections in elderly nursing home residents: a randomized controlled trial

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Effect of daily vitamin E and multivitamin-mineral supplementation on acute respiratory tract infections in elderly persons: a randomized controlled trial

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Interpreting the results of secondary end points and subgroup analyses in clinical trials: should we lock the crazy aunt in the attic?

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Subgroup analysis and other (mis)uses of baseline data in clinical trials

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

The effect of vitamin E and beta carotene on the incidence of lung cancer and other cancers in male smokers

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Reproducibility and validity of dietary assessment instruments. I. A self-administered food use questionnaire with a portion size picture booklet

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Design and analysis of randomized clinical trials requiring prolonged observation of each patient. II. analysis and examples

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Vitamin E is likely to affect mortality even at low doses

7 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Subgroup analyses in randomized trials: risks of subgroup-specific analyses; power and sample size for the interaction test

26 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Vitamin E and beta-carotene supplementation and hospital-treated pneumonia incidence in male smokers

26 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

Physical Activity and the Risk of Pneumonia in Male Smokers Administered Vitamin E and β-Carotene

26 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3046185

The problem of cogent subgroups: a clinicostatistical tragedy

9 December 2018

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12 December 2020

Treating individuals 2. Subgroup analysis in randomised controlled trials: importance, indications, and interpretation

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12 December 2020

{alpha}-Tocopherol disappearance is faster in cigarette smokers and is inversely related to their ascorbic acid status

1 reference

12 December 2020

Within trial variation--a false trail?

1 reference

12 December 2020

Physiological analysis of middle-aged and old former athletes. Comparison with still active athletes of the same ages

1 reference

12 December 2020

The alpha-tocopherol, beta-carotene lung cancer prevention study: design, methods, participant characteristics, and compliance. The ATBC Cancer Prevention Study Group

1 reference

12 December 2020

Identifiers

DOI

10.2147/CLEP.S16114

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3 August 2017

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3 August 2017

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