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Table 3 Relationship between functional variables and emphysema extent in univariate linear regression model

From: Computer quantification of airway collapse on forced expiration to predict the presence of emphysema

Variables R2value p value
FVC, %predicted 0.1427 <.0001
FEV1, %predicted 0.4001 <.0001
FEV1/FVC 0.5030 <.0001
KCO, %predicted 0.4658 <.0001
DL,CO, %predicted 0.5065 <.0001
AC, degrees 0.5033 <.0001
  1. R2 value represents variance explained by the model.