Prevalence of preterm birth according to birth weight group: a systematic review

Authors

  • Mariangela F Silveira Universidade Federal de Pelotas
  • Alicia Matijasevich Universidade Federal de Pelotas
  • Bernardo L Horta Universidade Federal de Pelotas
  • Heloisa Bettiol Universidade de Sao Paulo; Faculdade de Medicina de Ribeirao Preto; Departamento de Puericultura e Pediatria
  • Marco Antonio Barbieri Universidade de Sao Paulo; Faculdade de Medicina de Ribeirao Preto; Departamento de Puericultura e Pediatria
  • Antonio A Silva Universidade Federal do Maranhao; Departamento de Saude Publica
  • Patricia H C Rondo Universidade de Sao Paulo; Faculdade de Saude Publica; Departamento de Nutricao
  • Abelardo N Lunardelli Universidade Federal de Santa Catarina
  • Marco A Peres University of Adelaide
  • Ricardo Q Gurgel Universidade Federal de Sergipe
  • Antonio L Cunha Universidade Federal do Rio de Janeiro; Faculdade de Medicina; Departamento de Pediatria
  • Luiza M Calvano Universidade Federal do Rio de Janeiro; Faculdade de Medicina; Departamento de Pediatria
  • Joffre Amin Jr Universidade Federal do Rio de Janeiro; Faculdade de Medicina; Departamento de Ginecologia e Obstetricia
  • Maria do C Leal Fundacao Oswaldo Cruz; Escola Nacional de Saude Publica
  • Ana Cristina Guimaraes Matos
  • Ana Goretti Maranhao Ministerio da Saude do Brasil; Secretaria de Vigilancia em Saude
  • Juan Jose Cortez-Escalante Ministerio da Saude do Brasil; Secretaria de Vigilancia em Saude
  • Aluisio J D Barros Universidade Federal de Pelotas
  • Fernando C Barros Universidade Catolica de Pelotas
  • Cesar G Victora Universidade Federal de Pelotas

DOI:

https://doi.org/10.1590/rsp.v47i5.76711

Abstract

OBJECTIVE To estimate the prevalence of preterm birth by categories of birth weight, and to obtain an equation to correct the estimates. METHODS Systematic review of the Brazilian literature published from 1990 to 2012, to identify studies with primary collection of data on birth weight and gestational age. Twelve studies were selected and contributed for tabulations of preterm prevalence according to 100 g birth weight categories. These results were combined using sex-specific fractional polynomial equations and the resulting curves were compared with results from the Live Birth Information System for the years 2000, 2005, 2010 and 2011. RESULTS For all birth weight categories, preterm prevalence estimates based on primary studies had a higher prevalence than those of the the Live Birth Information System. The prevalence reported by the Live Birth Information System was of 7.2% in 2010, about 38.0% lower than the estimated prevalence of 11.7% obtained with the correctional equation. CONCLUSIONS Information reported by the Live Birth Information System on preterm prevalence does not reflect the true magnitude of the problem in Brazil, and should not be used without the correction factors proposed in the present analyses.

Downloads

Published

2013-10-01

Issue

Vol. 47 No. 5 (2013)

Section

Review

How to Cite

Silveira, M. F., Matijasevich, A., Horta, B. L., Bettiol, H., Barbieri, M. A., Silva, A. A., Rondo, P. H. C., Lunardelli, A. N., Peres, M. A., Gurgel, R. Q., Cunha, A. L., Calvano, L. M., Amin Jr, J., Leal, M. do C., Matos, A. C. G., Maranhao, A. G., Cortez-Escalante, J. J., Barros, A. J. D., Barros, F. C., & Victora, C. G. (2013). Prevalence of preterm birth according to birth weight group: a systematic review. Revista De Saúde Pública, 47(5), 992-1003. https://doi.org/10.1590/rsp.v47i5.76711