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Table 2 Particle deposition fractions

From: Altered deposition of inhaled nanoparticles in subjects with chronic obstructive pulmonary disease

 

DF

50 nm

1300 mL

DF

50 nm

1800 mL

DF

100 nm

1300 mL

Healthy Never-Smokers (n = 17)

0.92 ± 0.06

0.94 ± 0.05

0.69 ± 0.12

Asymptomatic Smokers (n = 15)

0.93 ± 0.08

0.95 ± 0.04

0.73 ± 0.11

COPD (n = 16)

0.86 ± 0.08*

0.88 ± 0.07*

0.57 ± 0.12*

All Subjects (n = 48)

0.90 ± 0.08

0.92 ± 0.06

0.66 ± 0.14

  1. * Significance < 0.016 level. Particle deposition fraction, DF, for the different groups (average DF ± 1 standard deviation). Significant differences compared to the healthy reference group marked by *, (Bonferroni adjusted significance level 0.016)
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BMC Pulmonary Medicine

ISSN: 1471-2466

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