Understanding immortal time bias in observational cohort studies (Q45191957)

10 December 2017

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Understanding immortal time bias in observational cohort studies (English)

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10 December 2017

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A M-H Ho

1

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P W Dion

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2

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C S H Ng

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3

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M K Karmakar

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4

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language of work or name

English

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publication date

13 December 2012

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10 December 2017

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68

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2

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126-130

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Time-dependent bias was common in survival analyses published in leading clinical journals.

10 December 2017

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https://api.crossref.org/works/10.1111%2FANAE.12120

Prevalence of survivor bias in observational studies on fresh frozen plasma:erythrocyte ratios in trauma requiring massive transfusion.

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Immortal time bias in pharmaco-epidemiology

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Does cardiac transplantation prolong life? A reassessment.

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Delirium as a predictor of mortality in mechanically ventilated patients in the intensive care unit

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Immortal time bias in critical care research: application of time-varying Cox regression for observational cohort studies

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Cytomegalovirus infection in critically ill patients: associated factors and consequences

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Incident stroke and mortality associated with new-onset atrial fibrillation in patients hospitalized with severe sepsis

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Self-monitoring of blood glucose in type 2 diabetes and long-term outcome: an epidemiological cohort study

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Immortal time bias and survival in patients who self-monitor blood glucose in the Retrolective Study: self-monitoring of Blood Glucose and Outcome in Patients with Type 2 Diabetes (ROSSO).

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Simulation of survivorship bias in observational studies on plasma to red blood cell ratios in massive transfusion for trauma.

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

The relationship of blood product ratio to mortality: survival benefit or survival bias?

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Early risk stratification of patients with major trauma requiring massive blood transfusion

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

Fresh-frozen plasma transfusion strategy in trauma with massive and ongoing bleeding. Common (sense) and sensibility.

21 January 2018

1 reference

https://api.crossref.org/works/10.1111%2FANAE.12120

21 January 2018

Identifiers

DOI

10.1111/ANAE.12120

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10 December 2017

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