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Calidad de los datos del Instituto Nacional de Estadística para la elaboración de los indicadores de salud perinatal: pequeño y grande para su edad gestacional

Quality of the Spanish Vital Statistics to Estimate Perinatal Health Outcomes: Small and Large for Gestational Age

In English

Författare

  • Sol Pia Juarez

Summary, in English

Background: Relative measures of birthweight (small and large-for-gestational age, SGA-LGA) are increasingly preferred to absolute measures (low birthweight, macrosomia). In this study we assess whether the national vital statistics provided by the Spanish National Statistical Institute (INE) reliably estimate SGA and LGA. Also, we will assess whether missing data (selection) and misreported information (bias) are systematically associated with parental socioeconomic information. Methods: We linked the information on 6,339 births at the Hospital Clinico San Carlos of Madrid (2005-06) with the vital statistics records (successful for the 95% of the observation). Validity measures and concordance were estimated for low birthweight (LBW, <2500 gr), macrosomia (>4500 gr), SGA (<10th percentile) and LGA (>90 percentile). Logistic regressions were fitted. Results: The prevalence estimated with the hospital data were: LBW (6%), macrosomia (0.5%) SGA (1%) and LGA (15%) and, with the data from INE: 5% 0.5% 2% 12% respectively. Kappa statistics: LBW (83%), macrosomia (79%), PEG (24%) and LGA (82%). Missing and misreported data vary with parental nationality and their situation in the labor market (OR between 1.5 y 2.2). Conclusions: Vital statistics overestimate the prevalence of SGA and underestimate the prevalence of LGA. The concordance between the sources is very good for low birthweight, macrosomia and LGA, and moderately good for SGA. Both missing and misreported birthweight and gestational age are associated with parental socioeconomic characteristics.

Publiceringsår

2015

Språk

Spanska

Sidor

85-91

Publikation/Tidskrift/Serie

Revista Española de Salud Pública

Volym

89

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Ministerio de Sanidad, Servicios Sociales e Igualdad

Ämne

  • Obstetrics, Gynecology and Reproductive Medicine

Nyckelord

  • Small-for-gestational age
  • Large-for-gestational age
  • Macrosomia
  • Low-birthweight
  • Birthweight
  • Gestational age
  • Validation

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1135-5727