Skip to main content
. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: J Paediatr Child Health. 2011 Nov 1;48(1):52–56. doi: 10.1111/j.1440-1754.2011.02190.x

Table 3.

Comparison of spacer technique between different age groups and spacers. Spacer technique as measured by drug dose delivered to filter (as % of dose recovered from filter, actuator, and spacer).

Aerochamber Plus group Funhaler group Comparison Funhaler vs. Aerochamber
Younger than 4 years Older than 4 years Younger than 4 years Older than 4 years Younger than 4 years Older than 4 years
median (25th, 75th percentile) n median (25th, 75th percentile) n p median (25th, 75th percentile) n median (25th, 75th percentile) n p p p
Baseline 33 (21, 41) 28 36 (20, 49) 37 0.56 33 (25, 44) 25 36 (25, 53) 35 0.41 0.70 0.37
3 months 23 (14, 33) 26 38 (25, 49) 30 <0.01* 36 (26, 43) 25 36 (24, 45) 28 0.66 0.04* 0.86
6 months 24 (21, 31) 19 32 (25, 46) 28 0.07 35 (23, 41) 18 36 (25, 46) 25 0.47 0.11 0.55
9 months 26 (17, 33) 20 33 (27, 39) 29 0.01* 34 (23, 62) 17 29 (23, 37) 18 0.32 0.04* 0.26