Percent of variance explained by matching1     Percent of variance explained by matching1 CXCR2 agonists CXCL1 5.6 Oscillometry AX 35.2   CXCL3 0.0   R5 22.0   CXCL5 32.5   R15 5.1   CXCL7 8.1   R25 12.6   CXCL8 0.0   RF 28.2 Inflammatory biomarkers CC-16 25.7   X5 34.3   Fibrinogen 0.0 Spirometry FEV1 67.9   IL-1B 0.0   FVC 57.9   MMP9 4.0         SP-D 0.0       1Calculated as σb2/(σb2+ σw2) where σb2and σw2are respectively the between- and within-matched-pair variance components from the ANOVA

Table 4: Variability Estimates.