Evaluation of a measure of neonatal morbidity

Donna M. Strobino, Gigliola Baruffi

Research output: Contribution to journalArticlepeer-review

Abstract

The neonatal risk score of Hobel et al. was evaluated as a measure of neonatal morbidity in a sample of 1, 600 singleton infants bom alive at two institutions. The score was evaluated for internal consistency, the appropriateness of weight assigned to factors, criterion validity, and conformity to the negative binomial distribution. The results are encouraging for the use of the score as a measure of neonatal morbidity. It appears intemally consistent. All risk factors occur with some firequency with at least one other and, in most instances, with several others. With one exception, all factors distinguish infants with high and low scores. The neonatal score, defined by a weighted score and by the number of factors, is highly correlated with length of infant stay in the nursery. Correlations are higher for scores of events measured after birth than for scores of events measured directly at birth. The authors recommend that the number of risk factors be used in preference to the weighted neonatal score since it conforms to the negative binomial distribution and is simpler to calculate. The potential uses of a quantitative, comprehensive measure of neonatal morbidity are discussed.

Original languageEnglish (US)
Pages (from-to)818-826
Number of pages9
JournalMedical care
Volume22
Issue number9
DOIs
StatePublished - Sep 1984

Keywords

  • Birth scores
  • Length of nursery stay
  • Negative binomial distribution
  • Neonatal morbidity
  • Neonatal risk scores
  • Postbirth scores

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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