Titre :
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Assessment of publication bias in meta-analyses of cardiovascular diseases. (2005)
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Auteurs :
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Silvia PALMA ;
Miguel DELGADO-RODRIGUEZ ;
University of Jaen. Division of Preventive Medicine and Public Health. ESP
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Type de document :
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Article
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Dans :
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Journal of epidemiology and community health (vol. 59, n° 10, 2005)
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Pagination :
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864-869
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Langues:
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Anglais
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Mots-clés :
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Biais
;
Appareil circulatoire [pathologie]
;
Evaluation
;
Qualité
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Résumé :
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[BDSP. Notice produite par INIST-CNRS FNaDR0xT. Diffusion soumise à autorisation]. Objective : To examine variables related with publication bias assessment in a sample of systematic reviews with meta-analysis on cardiovascular diseases. Design : Systematic review of meta-analyses. Setting : Journals indexed in Medline and the Cochrane Library. Study population : 225 reviews with meta-analysis published between 1990 and 2002. Data collection : Data from meta-analyses were gathered according to a structured protocol. The outcome was the assessment, not the existence, of publication bias by the original authors. Results : Publication bias was assessed in 25 (11.1%) reviews, increasing with time : from 3.4% before 1998 to 19.0% in those published in 2002. A stepwise logistic regression model included several variables increasing the assessment of publication bias : number of primary studies (>7 compared with=4 compared with
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