Medical record review to recover missing data in a Portuguese birth cohort: agreement with self-reported data collected by questionnaire and inter-rater variability Revisión de registros médicos para recuperar datos incompletos en una cohorte de nacimiento portuguesa: concordancia con datos recogidos por cuestionario y variabilidad interobservador

• Main Authors: Elisabete Alves (Author), Nuno Lunet (Author), Sofia Correia (Author), Vítor Morais (Author), Ana Azevedo (Author), Henrique Barros (Author)
• Format: Book
• Published: Elsevier, 2011-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objectives: To assess the yield of medical record review to recover missing data originally collected by questionnaire, to analyze the agreement between these two data sources and to determine interobserver variability in clinical record review. Methods: We analyzed data from a birth cohort of 8,127...