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Table 3 The mean (±SD) variability in lung deposition measured as the standard deviation in counts of radioactivity per unit lung volume in sitting and side lying for the three participant groups, with representative scans of the group participants in sitting

From: Side lying during nebulisation can significantly improve apical deposition in healthy adults and adults with mild cystic fibrosis lung disease: a randomised crossover trial

SD counts per voxel

Healthy

Mild CF

Advanced CF

Sitting

1294 ± 920

1920 ± 851

2229 ± 774

Side lying

1250 ± 981

1980 ± 370

1892 ± 486