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Table 5 Effect of Childhood Pneumonia on Chest CT Parameters

From: Childhood pneumonia increases risk for chronic obstructive pulmonary disease: the COPDGene study

  Impact of Childhood Pneumoniab
  βc SE p Valued
Wall Area %, Segmental 0.46 (0.12) <0.001
Wall Area %, Subsegmentala 0.47 (0.16) 0.003
SRWA-Pi10 0.02 (0.005) <0.001
Emphysema % (-950 HU) 0.18 (0.32) 0.57
Gas Trapping %, expiratory scan (-856HU) 1.97 (0.72) 0.006
Total Lung Capacity (L) 0.001 (0.04) 0.99
  1. Abbreviations: CT computed tomography; HU Hounsfield units; SRWA-Pi10 square root wall area of a hypothetical airway with 10mm internal perimeter
  2. aData only available for a limited portion of the cohort
  3. bEach row represents a separate regression model
  4. cBeta coefficient (β) and standard error (SE) for linear regression
  5. dCovariates used = age at enrollment in years + gender + race + pack-years + body mass index + CT scanner model