controlling for surgeon as a fixed effect

French translation: avec contrôle du chirurgien en tant qu'effet fixe

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:controlling for surgeon as a fixed effect
French translation:avec contrôle du chirurgien en tant qu'effet fixe
Entered by: Nathalie Stewart

10:23 Jan 26, 2017
English to French translations [PRO]
Medical - Medical: Health Care / Clinical trial on trachoma surgery
English term or phrase: controlling for surgeon as a fixed effect
As you can see in the context below, this is a clinical trial assessing the superiority or inferiority of one type of surgery over the other. The fact that it's trachoma is not relevant for the term discussed.
My guess is that "controlling for surgeon" means "using the surgeon as a control of a [possible?] fixed effect of the surgery.
Can you confirm or infirm such an assumption?
Many thanks to all.


Aim
To determine whether BLTR or PLTR surgery gives superior results under programmatic conditions.
Methods
A randomized, controlled, single masked clinical trial was conducted. Participants had upper lid TT with one or more eyelashes touching the eye or evidence of epilation, in association with tarsal conjunctival scarring. Participants were randomly assigned (1:1) to either BLTR or PLTR surgery, stratified by surgeon. The sequences were computer-generated by an independent statistician. Surgery was done in a community setting following WHO guidelines. Participants were examined at 6 months and 12 months by assessors masked to allocation. The primary outcome was the cumulative proportion of individuals who developed recurrent trichiasis by 12 months. Primary analyses were by modified intention to treat. The intervention effect was estimated by logistic regression, controlling for surgeon as a fixed effect in the model.
laure claesen
France
Local time: 12:45
avec contrôle du chirurgien en tant qu'effet fixe
Explanation:
La phrase (comme le reste du paragraphe) emploie plusieurs termes dans le domaine des mathématiques statistiques, tous bien précis, qu'il convient de respecter.

https://en.wikipedia.org/wiki/Logistic_regression
In statistics, logistic regression, or logit regression, or logit model is a regression model where the dependent variable (DV) is categorical. [...] The binary logistic model is used to estimate the probability of a binary response based on one or more predictor (or independent) variables (features). It allows one to say that the presence of a risk factor increases the probability of a given outcome by a specific percentage.
> FR : régression logistique (cf. https://fr.wikipedia.org/wiki/Régression_logistique)

https://en.wikipedia.org/wiki/Fixed_effects_model
In statistics, a fixed effects model is a statistical model that represents the observed quantities in terms of explanatory variables that are treated as if the quantities were non-random.
> FR : modèle à effets fixes (cf. http://www.cabannes.org/panels.pdf)

https://www.ncbi.nlm.nih.gov/pubmed/2773920
Estimating intervention effects in longitudinal studies
Longitudinal studies aimed at assessing the impact of interventions on disease risk factors often confront several statistical problems.
> FR : effet de l'intervention
(cf. https://www.cairn.info/revue-sante-publique-2014-4-page-519....

Donc, résultat final :
> L'effet de l'intervention a été estimé par régression logistique avec contrôle du chirurgien en tant qu'effet fixe dans le modèle.

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Note added at 48 mins (2017-01-26 11:11:57 GMT)
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De rien !
Selected response from:

Nathalie Stewart
France
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1Traduction ci-dfessous
Francois Boye
4avec contrôle du chirurgien en tant qu'effet fixe
Nathalie Stewart


  

Answers


33 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
avec contrôle du chirurgien en tant qu'effet fixe


Explanation:
La phrase (comme le reste du paragraphe) emploie plusieurs termes dans le domaine des mathématiques statistiques, tous bien précis, qu'il convient de respecter.

https://en.wikipedia.org/wiki/Logistic_regression
In statistics, logistic regression, or logit regression, or logit model is a regression model where the dependent variable (DV) is categorical. [...] The binary logistic model is used to estimate the probability of a binary response based on one or more predictor (or independent) variables (features). It allows one to say that the presence of a risk factor increases the probability of a given outcome by a specific percentage.
> FR : régression logistique (cf. https://fr.wikipedia.org/wiki/Régression_logistique)

https://en.wikipedia.org/wiki/Fixed_effects_model
In statistics, a fixed effects model is a statistical model that represents the observed quantities in terms of explanatory variables that are treated as if the quantities were non-random.
> FR : modèle à effets fixes (cf. http://www.cabannes.org/panels.pdf)

https://www.ncbi.nlm.nih.gov/pubmed/2773920
Estimating intervention effects in longitudinal studies
Longitudinal studies aimed at assessing the impact of interventions on disease risk factors often confront several statistical problems.
> FR : effet de l'intervention
(cf. https://www.cairn.info/revue-sante-publique-2014-4-page-519....

Donc, résultat final :
> L'effet de l'intervention a été estimé par régression logistique avec contrôle du chirurgien en tant qu'effet fixe dans le modèle.

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Note added at 48 mins (2017-01-26 11:11:57 GMT)
--------------------------------------------------

De rien !

Nathalie Stewart
France
Specializes in field
Native speaker of: Native in EnglishEnglish, Native in FrenchFrench
PRO pts in category: 16
Notes to answerer
Asker: Parfait! merci beaucoup!

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5 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
Traduction ci-dfessous


Explanation:
'en considérant le chirurgien comme une variable de contrôle ayant un effet fixe sur le modèle'

http://www.bsi-economics.org/236-☆-qu’est-ce-qu’une-variable...

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Note added at 5 hrs (2017-01-26 15:33:51 GMT)
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Erratum: CI-DESSOUS instead of ci-dfessous

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Note added at 5 hrs (2017-01-26 15:43:45 GMT)
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https://en.wikipedia.org/wiki/Fixed_effects_model

Francois Boye
United States
Local time: 07:45
Native speaker of: Native in FrenchFrench

Peer comments on this answer (and responses from the answerer)
agree  PLR TRADUZIO (X): je comprends aussi que le chirurgien est une variable, plus que le fait qu'il est un quelconque contrôle
27 mins
  -> Thanks!
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