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EJNMMI Research

Table 6 Comparison of retention Z-scores and PI between children (5–14 years) and adults (>14 years)

From: Clinical value of measurement of pulmonary radioaerosol mucociliary clearance in the work up of primary ciliary dyskinesia

 

Mean values for children

Mean values for adults

Difference of the means (95 % CI)

p value

n = 42

n = 44

Z-score for LR1

−1.4

0.089

1.47 (1.05; 1.89)

p < 0.001

Z-score for LR2

−1.7

−0.0023

1.65 (1.15; 2.15)

p < 0.001

PI

0.40

0.61

0.2 (0.127; 0.276)

p < 0.001

  1. All the included patients had a perfectly normal PRMC test. (This is defined as a normal PRMC test showing no signs of regional impaired clearance or slow clearance in any part of the lung in combination with no coughing or throat clearing during the 2-h PRMC test)
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