Table 2

Relation between the different patterns of distribution of airway elastin fibres detected by FCFM (see figure 2) and lung function in the studied subjects

Lamellar patternMixed patternLoose patternp Value
Tlco, % reference72.9±22.467.8±1864.3±14.60.775
Kco, % reference75.1±16.773.6±13.369±16.60.635
FEV1, % reference80.8±22.984.3±24.579.5±24.50.92
FEV1/FVC, %67.7±17.770.15±11.860±8.40.28
  • FCFM, fibred confocal fluorescence microscopy; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; Kco, carbon monoxide transfer coefficient; Tlco, carbon monoxide lung transfer factor.