A scoring system for lung function tests in infants

F. Hampton, C. S. Beardsrnore, W. Morgan, A. Williams, L. Taussig, J. R. Thompson

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Measurements of thoracic gas volume (TGV), airway resistance (Raw), and airway conductance (Gaw) were calculated in a group of 42 normal infants using a whole‐body plethysmograph. Maximum expiratory flow at functional residual capacity was measured in a separate group of 108 normal infants. Using data obtained from these infants the following regression equations were calculated: (Formula Presented.) The standard errors of prediction are a measure of the scatter of individual results from the normal population about the true regression line. They were used to define limits of the normal ranges for these tests of lung function, and to develop a scoring system. This approach is preferable to expressing results as percent predicted, which gives no indication of how likely a measurement is to be within normal limits. © 1992 Wiley‐Liss, Inc.

Original languageEnglish (US)
Pages (from-to)149-155
Number of pages7
JournalPediatric pulmonology
Issue number3
StatePublished - Nov 1992


  • Thoracic gas volume
  • airway conductance
  • body plethysmography
  • maximum expiratory flow rate at FRC
  • standard errors of prediction

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Pulmonary and Respiratory Medicine


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